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IRMNG taxon details

Animalia incertae sedis

263  (urn:lsid:irmng.org:taxname:263)

accepted
Phylum
Monoblastozoa · unaccepted
Problematica † · unaccepted (alternative name, no longer used...)  
alternative name, no longer used in IRMNG

Ordering

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Children Display

  1. Genus Acus Tsao & Zhao, 1974 †
  2. Genus Agglofusus Hinz-Schallreuter & Schallreuter, 2010 †
  3. Genus Alaconcha Devaere, Clausen & Steiner in Devaere, Clausen, Steiner, Álvaro & Vachard, 2013 †
  4. Genus Altarmilla Allison & Hilgert, 1986 †
  5. Family Amiskwiidae Walcott, 1911 †
  6. Genus Amorphia Grytsenko, 2016 †
  7. Order Anabaritida †
  8. Family Ancientidae Ross, 1967 †
  9. Genus Anulitubus Moczydłowska, 2021 †
  10. Genus Aqualisquama Allison & Hilgert, 1986 †
  11. Genus Archaeooides Qian, 1977 †
  12. Genus Archeoxybaphon Allison & Hilgert, 1986 †
  13. Genus Armilimax Kimmig & Selden, 2021 †
  14. Family Ascosomaceae Lorenz, 1904 †
  15. Genus Astra Grytsenko, 2016 †
  16. Genus Attenborites Droser, Evans, Dzaugis, Hughes & Gehling, 2020 †
  17. Genus Batofasciculus Hou, Bergström, Wang, Feng & Chen, 1999 †
  18. Genus Bernashevia Grytsenko, 2016 †
  19. Genus Biconulites Teilhard de Chardin, 1931 †
  20. Genus Bicorniculum Allison & Hilgert, 1986 †
  21. Family Biformitidae Knaust & Neumann, 2016 †
  22. Order Cambridioida †
  23. Class Cambroclavida †
  24. Genus Cambrocornulitus Yang, Vinn, Hou & Tian, 2013 †
  25. Genus Cambropodus Robison, 1990 †
  26. Genus Cambroskiadeion Moore, Porter & Li, 2014 †
  27. Genus Caveacus Landing, 1995 †
  28. Family Chabakoviaceae Korde, 1969 †
  29. Genus Characodictyon Allison & Hilgert, 1986 †
  30. Genus Chenmengella Zhuravlev, Liñán & Gámez Vintaned in Zhuravlev, Liñán, Gámez Vintaned, Debrenne & Fedorov, 2012 †
  31. Genus Chilodictyon Allison & Hilgert, 1986 †
  32. Genus Circidentatus Cohen & Knoll, 2012 †
  33. Genus Circitorquis Cohen & Knoll, 2012 †
  34. Genus Circumpodium Wisshak & Hüne, 2019 †
  35. Genus Clavitella Skovsted & Peel, 2007 †
  36. Family Cloudinidae Hahn & Pflug, 1985 †
  37. Genus Cocardia Grytsenko, 2016 †
  38. Genus Codositubulus Gámez Vintaned, Liñán, Navarro & Zhuravlev, 2017 †
  39. Class Coeloscleritophora †
  40. Order Coleoloida †
  41. Genus Confinisquama Allison & Hilgert, 1986 †
  42. Genus Coniculus Moczydłowska, 2021 †
  43. Order Conoidocyathida †
  44. Genus Convolutubus Vaziri, Majidifard, Darroch & Laflamme, 2020 †
  45. Order Coralomorpha †
  46. Genus Costatubus Selly et al., 2020 †
  47. Class Cribricyathea †
  48. Order Cribricyathida †
  49. Family Crinisdendridae Dzik, Baliński & Sun, 2016 †
  50. Genus Cucullus Steiner, 1994 †
  51. Family Cupithecidae Duan, 1984 †
  52. Genus Dactylostercus Buchholz & Grimmberger, 2012 †
  53. Genus Dahisphaera Xian, Eriksson & Zhang, 2023 †
  54. Genus Dictyorhabdus Walcott, 1892 †
  55. Family Dinomischidae Conway Morris, 1977 †
  56. Family Eldoniidae Walcott, 1911 †
  57. Genus Ellesmerella Mamet & Roux in Mamet et al., 1987 †
  58. Genus Emeithella Qian, 1977 †
  59. Genus Eohostimella J.M. Schopf in J.M. Schopf et al., 1966 †
  60. Family Epiphytaceae †
  61. Genus Fedomia Serezhnikova & Ivantsov, 2007 †
  62. Genus Feiyanella Han et al., 2017 †
  63. Genus Funisia Droser & Gehling, 2008 †
  64. Genus Garwoodia A. Wood, 1941 †
  65. Genus Glaphyrobalantium M. Krings, 2022 †
  66. Genus Globochaete Lombard, 1945 †
  67. Genus Helicoforamina Wang, Chen, Tang & Pang, 2012 †
  68. Genus Hexacatillus Cohen & Knoll, 2012 †
  69. Genus Holoplicatella Clausen & Álvaro, 2006 †
  70. Genus Hyaloxybaphon Allison & Hilgert, 1986 †
  71. Order Hyolithelminthida †
  72. Genus Ikaria Evans, Hughes, Gehling & Droser, 2020 †
  73. Genus Inquicus Cong et al., 2017 †
  74. Genus Invaginatibalteus Allison & Hilgert, 1986 †
  75. Genus Izhella I.A. Antropov, 1955 †
  76. Genus Jiucunia Hou, Bergström, Wang, Feng & Chen, 1999 †
  77. Genus Kauriichnus Lucas & Lerner, 2010 †
  78. Genus Keretsa Ivantsov, 2017 †
  79. Genus Koivaella B.I. Tchuvashov, 1974 †
  80. Genus Komarovia Grytsenko, 2016 †
  81. Family Konyriidae Nazarov & Popov, 1976 †
  82. Genus Kordesphecia Peel, 2013 †
  83. Genus Koskinobullina Cherchi & Schroeder, 1979 †
  84. Genus Kuckaraukia Ivantsov, Novikov & Razumovskiy in Razumovskiy et al., 2015 †
  85. Genus Lagoenaforma Agić et al., 2022 †
  86. Genus Lathamoserpens Waggoner & Hagadorn, 2005 †
  87. Genus Lithocodium G.F. Elliott, 1956 †
  88. Genus Lomoziella Grytsenko, 2016 †
  89. Genus Maanshania Hou, Bergström, Wang, Feng & Chen, 1999 †
  90. Genus Microcoryne Bengtson in Bengtson, Conway Morris, Cooper, Jell & Runnegar, 1990 †
  91. Order Mitrosagophora †
  92. Family Mobergellidae Missarzhevsky, 1989 †
  93. Class Multiplacophora †
  94. Genus Obamus Dzaugis, Evans, Droser, Gehling & Hughes, 2020 †
  95. Genus Ocruranus Liu, 1979 †
  96. Family Odontogriphidae Conway Morris, 1976 †
  97. Genus Olgerdina Grytsenko, 2016 †
  98. Genus Orissiella A. Tripathi, 2004 †
  99. Genus Orthrozanclus Conway Morris & Caron, 2007 †
  100. Genus Ospercapatera Cohen & Knoll, 2012 †
  101. Order Paiutiida †
  102. Order Palaeopascichnida †
  103. Genus Paleocrassalimbus Allison & Hilgert, 1986 †
  104. Genus Paleohexadictyon Allison & Hilgert, 1986 †
  105. Genus Paleomegasquama Allison & Hilgert, 1986 †
  106. Genus Paleoscutula Cohen & Knoll, 2012 †
  107. Family Paracarinachitidae Qian, 1988 †
  108. Genus Paragloborilus Qian, 1977 †
  109. Family Parvancorinidae Glaessner, 1979 †
  110. Genus Paterisquama Allison & Hilgert, 1986 †
  111. Genus Patinisquama Allison & Hilgert, 1986 †
  112. Genus Petasisquama Allison & Hilgert, 1986 †
  113. Family Platysolenitidae Eichwald, 1969 †
  114. Genus Plexus Joel, Droser & Gehling, 2014 †
  115. Genus Pontagrossia Chahud & Fairchild, 2020 †
  116. Genus Praesolenopora Tsao & Zhao, 1974 †
  117. Order Pseudoconodontida †
  118. Genus Pseudooides Qian, 1977 †
  119. Genus Qinlingisphaera Xian, Eriksson & Zhang, 2023 †
  120. Genus Quadrimurus Miao, Moczydłowska & Zhu, 2021 †
  121. Genus Quadrireticulum Cohen & Knoll, 2012 †
  122. Genus Radiocerniculum Allison & Hilgert, 1986 †
  123. Genus Renalcis Vologdin, 1932 †
  124. Family Rotadiscidae Dzik, 1991 †
  125. Genus Rothpletzella A. Wood, 1948 †
  126. Order Sabelliditida †
  127. Order Saccorhytida †
  128. Genus Shaanisphaera Xian, Eriksson & Zhang, 2023 †
  129. Genus Shuguria I.A. Antropov, 1950 †
  130. Family Sialomorphidae Poinar & Nelson, 2019 †
  131. Genus Silicofistula Moczydłowska, 2021 †
  132. Order Sinosabelliditida †
  133. Family Siphusauctidae O'Brien & Caron, 2012 †
  134. Genus Sphaerinvia Vachard, 1981 †
  135. Genus Sphaerinviellina B. Mamet & A. Preat, 2013 †
  136. Genus Sphaeropetasus Schallreuter & Hinz-Schallreuter, 2013 †
  137. Genus Sphenopteron Skovsted & Peel, 2007 †
  138. Genus Spinicerniculum Allison & Hilgert, 1986 †
  139. Genus Sporosphaera Landon, Liu, Yin, Sun, Shang & Donoghue, 2019 †
  140. Genus Stenophycus C.L. Fenton, 1943 †
  141. Genus Stictoconus Qian & Bengtson, 1989 †
  142. Family Stoibostrombidae Conway Morris & Bengston, 1990 †
  143. Family Suvorovellidae A.G. Vologdin & A.B. Maslov, 1960 †
  144. Genus Tabasosphaera Senowbari-Daryan, 2004 †
  145. Genus Thectardis Clapham, Narbonne, Gehling, Greentree & Anderson, 2004 †
  146. Genus Thorakidictyon Cohen & Knoll, 2012 †
  147. Family Tianzhushanellidae Conway Morris, 1990 †
  148. Order Tommotiida †
  149. Family Tubiphytidae Vachard, Krainer & Lucas 2012 †
  150. Genus Tubula Golubkova, Kushim, Kuzmenkova & Laptsevich, 2022 †
  151. Genus Tunudiscus Skovsted, 2006 †
  152. Family Typhloesidae Conway Morris, 1990 †
  153. Genus Typhloesus Conway Morris, 1990 †
  154. Family Utaphosphidae Wrona, 1987 †
  155. Genus Vaveliksia Fedonkin in Velikanov & Fedonkin, 1983 †
  156. Genus Vikisphaera Hints, Nõlvak & Liang, 2021 †
  157. Genus Virgatia Grytsenko, 2016 †
  158. Genus Vittatusivermis Zhang, Liu, Lsozaki & Sato, 2017 †
  159. Genus Wutubus Chen, Zhou, Xiao, Wang, Guan, Hua & Yuan, 2014 †
  160. Genus Yangtziramulus Shen, Xiao, Zhou & Yuan, 2009 †
  161. Genus Yanjiahella Guo, Li, Han, Ou, Zhou & Zheng, 2012 †
  162. Genus Yichnus Xiao, Chen, Zhou & Yuan, 2019 †
  163. Genus Yilingia Chen, Zhou, Yuan & Xiao, 2019 †
  164. Genus Yuganotheca Zhang, Li & Holmer in Zhang et al., 2014 †
  165. Genus Yunnanodus Wang & Jing in Jiang, 1980 †
  166. Genus Zeugites Qian, Chen & Chen, 1979 †
  167. Genus Nessiteras Scott & Rines, 1975 (uncertain > taxon inquirendum)
  168. Genus Salinella Frenzel, 1891 (uncertain > taxon inquirendum)
  169. Genus Anomalochara V.P. Maslov, 1961 † (uncertain > nomen dubium)
  170. Genus Eocucumaria Qian & Ding, 1988 † (uncertain > nomen dubium)
  171. Genus Phacelofimbria Tsao & Zhao, 1974 † (uncertain > nomen dubium)
  172. Genus Vibrio Müller, 1773 (uncertain > nomen dubium)
  173. Genus Namapoikia Wood, Grotzinger & Dickson, 2002 † (unaccepted > nomen nudum)
  174. Genus Portfjeldia Willman & Peel, 2022 † (unaccepted > interim unpublished, unregistered electronic publication)
  175. Genus Chenella Zhang, Li & Dong in Ding et al., 1992 † accepted as Chenmengella Zhuravlev, Liñán & Gámez Vintaned in Zhuravlev, Liñán, Gámez Vintaned, Debrenne & Fedorov, 2012 † (junior homonym)
  176. Genus Coactilum V.P. Maslov, 1956 † accepted as Rothpletzella A. Wood, 1948 † (synonym)
  177. Family Emeithecidae Duan, 1984 † accepted as Cupithecidae Duan, 1984 †
  178. Genus Sphaerocodium A. Rothpletz, 1890 † accepted as Rothpletzella A. Wood, 1948 † (synonym)
  179. Genus Vibro Nardo, 1847 accepted as Vibrio Müller, 1773 (Misspelling)
  180. Genus Acanthocassis He & Xie, 1989 † (uncertain, unassessed)
  181. Genus Acanthosphaera Duan, 1984 † (uncertain, unassessed)
  182. Genus Accordiichnus Manni, Nicosia & Nobili, 2000 † (uncertain, unassessed)
  183. Genus Acervomicritina Nagy, 1989 † (uncertain, unassessed)
  184. Genus Acidocharacus Qin & Ding, 1988 † (uncertain, unassessed)
  185. Genus Acrosquama Qian & Xiao, 1985 † (uncertain, unassessed)
  186. Genus Acuminachites Qian & Yin, 1985 † (uncertain, unassessed)
  187. Genus Adicimicritina Nagy, 1989 † (uncertain, unassessed)
  188. Genus Aksuglobulus Qian & Xiao, 1985 † (uncertain, unassessed)
  189. Genus Alabamasauripus Hunt, Lucas & Lockley, 2004 † (uncertain, unassessed)
  190. Genus Albertasuchipes McCrea, Pemberton & Currie, 2004 † (uncertain, unassessed)
  191. Genus Aliichnum Yang in Yang, Song & Liang, 1983 † (uncertain, unassessed)
  192. Genus Almenia Hou & Bergstrom, 1997 † (uncertain, unassessed)
  193. Genus Alphaichnus Cook & Bann, 2000 † (uncertain, unassessed)
  194. Genus Amanitichnus Chlupac & Mikulas, 1995 † (uncertain, unassessed)
  195. Genus Amjohrea Maithy, 1992 † (uncertain, unassessed)
  196. Genus Amoebinella He & Xie, 1989 † (uncertain, unassessed)
  197. Genus Anabylia Vodanjuk, 1989 † (uncertain, unassessed)
  198. Genus Anconichnus Kern, 1978 † (uncertain, unassessed)
  199. Genus Angulichnus Elliott & Martin, 1987 † (uncertain, unassessed)
  200. Genus Anisocellula Senowbari-Daryan, Zuhlke, Bechstadt & Flugel, 1993 † (uncertain, unassessed)
  201. Genus Annerepichnites Kulkarni & Ghare, 1991 † (uncertain, unassessed)
  202. Genus Annetuba Badve & Hare, 1980 † (uncertain, unassessed)
  203. Genus Anningichnus Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  204. Genus Annulatusichnus Hu & Meng in Hu Meng, Zhang & Wang, 1991 † (uncertain, unassessed)
  205. Genus Annulotunnelichnus Ghare & Kulkarni, 1986 † (uncertain, unassessed)
  206. Genus Anterosculum Duan & Cao, 1989 † (uncertain, unassessed)
  207. Genus Anthotrum Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  208. Genus Antlerpeton Thomson, Shubin & Poole, 1998 † (uncertain, unassessed)
  209. Genus Apistoconcha Conway Morris in Bengtson, Conway Morris, Cooper, Jell & Runnegar, 1990 † (uncertain, unassessed)
  210. Genus Apoxypus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  211. Genus Apulosauripus Nicosia, Marino, Mariotti, Muraro, Panigutto, Petti & Sacchi, 2000 † (uncertain, unassessed)
  212. Genus Arborichnus Romano & Melendez, 1985 † (uncertain, unassessed)
  213. Genus Arborichnus Ekdale & Lewis, 1991 † (uncertain, unassessed)
  214. Genus Archaeopetasus Conway Morris & Bengtson in Bengtson, Conway Morris, Cooper, Jell & Runnegar, 1990 † (uncertain, unassessed)
  215. Genus Archaeornithipus Fuentes Vidarte, 1996 † (uncertain, unassessed)
  216. Genus Archangelia Fedonkin in Palij, Posti & Fedonkin, 1979 † (uncertain, unassessed)
  217. Genus Arcuatichnus Kowalski, 1978 † (uncertain, unassessed)
  218. Genus Arenigiapalla Bischoff, 1994 † (uncertain, unassessed)
  219. Genus Aroonia Bengtson in Bengtson, Conway Morris, Cooper, Jell & Runnegar, 1990 † (uncertain, unassessed)
  220. Genus Arouxina Munnecke, Servais & Vachard, 2000 † (uncertain, unassessed)
  221. Genus Arthrichnus Biron & Dutuit, 1982 † (uncertain, unassessed)
  222. Genus Astropolichnus Crimes & Anderson, 1985 † (uncertain, unassessed)
  223. Genus Atalotaenia Garcia-Bellido Capdevila & Conway Morris, 1999 † (uncertain, unassessed)
  224. Genus Aulomicritina Nagy, 1989 † (uncertain, unassessed)
  225. Genus Australohalkieria Porter, 2004 † (uncertain, unassessed)
  226. Genus Austroscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  227. Genus Avolatichnium Walter, 1983 † (uncertain, unassessed)
  228. Genus Awbariichnium Novak, 1990 † (uncertain, unassessed)
  229. Genus Axiciapes Sarjeant & Langston, 1994 † (uncertain, unassessed)
  230. Genus Baihupoichnus Wang, 2004 † (uncertain, unassessed)
  231. Genus Baikonuria Koneva & Rozov, 1984 † (uncertain, unassessed)
  232. Genus Banisterobates Fraser & Olsen, 1996 † (uncertain, unassessed)
  233. Genus Baronichnus Breton, 2002 † (uncertain, unassessed)
  234. Genus Barrancapus Hunt, Lockley & Lucas, 1993 † (uncertain, unassessed)
  235. Genus Barrosopus Coria, Currie, Eberth & Garrido, 2002 † (uncertain, unassessed)
  236. Genus Belocosmorhaphe Uchman, 1998 † (uncertain, unassessed)
  237. Genus Bhanrerichnus Mathur & Verma, 1983 † (uncertain, unassessed)
  238. Genus Bicavichnites Lane, Braddy, Briggs & Elliott, 2003 † (uncertain, unassessed)
  239. Genus Bichordites Plaziat & Mahmoudi, 1988 † (uncertain, unassessed)
  240. Genus Biconcavichnus Wang & Wang, 1995 † (uncertain, unassessed)
  241. Genus Bifurcatichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  242. Genus Bipatinella Zheng in Zhen, Zhen, Wan & Xi, 1994 † (uncertain, unassessed)
  243. Genus Bipodomorpha Yang, 1984 † (uncertain, unassessed)
  244. Genus Biramous Yang, 1992 † (uncertain, unassessed)
  245. Genus Biscopulatichnus Li, 1993 † (uncertain, unassessed)
  246. Genus Bitubichnites Kulkarni & Ghare, 1989 † (uncertain, unassessed)
  247. Genus Bitubichnites Ghare & Kulkarni, 1986 † (uncertain, unassessed)
  248. Genus Bombycion Porter, Meisterfeld & Knoll, 2003 † (uncertain, unassessed)
  249. Genus Bouturrilepas Hoare, 2002 † (uncertain, unassessed)
  250. Genus Bovicornellum Howell, 1934 † (uncertain, unassessed)
  251. Genus Bowengriphus Ritchie & Edgecombe, 2001 † (uncertain, unassessed)
  252. Genus Brakichnium Novak, 1990 † (uncertain, unassessed)
  253. Genus Brasilichnium Leonardi, 1981 † (uncertain, unassessed)
  254. Genus Brdichnus Mikulas, 1991 † (uncertain, unassessed)
  255. Genus Brookvalichnus Tandon & Bhatia, 1978 † (uncertain, unassessed)
  256. Genus Brushenodus Jiang, 1982 † (uncertain, unassessed)
  257. Genus Bucerusichnus Zhang, 1986 † (uncertain, unassessed)
  258. Genus Burangichnus Song, 1987 † (uncertain, unassessed)
  259. Genus Butunia Keller, Dolnik & Velkov, 1982 † (uncertain, unassessed)
  260. Genus Calathites Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  261. Genus Calixichnium Plicka, 1981 † (uncertain, unassessed)
  262. Genus Camborygma Hasiotis & Mitchell, 1993 † (uncertain, unassessed)
  263. Genus Cambrobotris Missarjevsky, 1989 † (uncertain, unassessed)
  264. Genus Cambrocassis Missarzhevsky, 1977 † (uncertain, unassessed)
  265. Genus Cambrogeorgina Müller & Hinz, 1992 † (uncertain, unassessed)
  266. Genus Cambronatus Briggs & Bartles, 2001 † (uncertain, unassessed)
  267. Genus Cambrorhytium Conway Morris & Robison, 1988 † (uncertain, unassessed)
  268. Genus Cambrorygma Hasiotis & Mitchell, 1993 † (uncertain, unassessed)
  269. Genus Cambrotentacus Zhang & Shu in Zhang, Shu, Li & Han, 2001 † (uncertain, unassessed)
  270. Genus Caprionichnus Harland, 1978 † (uncertain, unassessed)
  271. Genus Caputia Granzow, 1989 † (uncertain, unassessed)
  272. Genus Cardioichnus Smith & Crimes, 1983 † (uncertain, unassessed)
  273. Genus Caririchnium Leonardi, 1984 † (uncertain, unassessed)
  274. Genus Carmelopodus Lockley, Hunt, Paquette, Bilbey & Hamblin, 1998 † (uncertain, unassessed)
  275. Genus Carnotipus Lopez, Mayoral, Munoz, Perez & Santamaria, 1992 † (uncertain, unassessed)
  276. Genus Carpatia Plicka, 1986 † (uncertain, unassessed)
  277. Genus Casineria Paton, Smithson & Clack, 1999 † (uncertain, unassessed)
  278. Genus Casplrillina Bykova, 1971 † (uncertain, unassessed)
  279. Genus Catellichnus Bekker in Bekker & Kishka, 1989 † (uncertain, unassessed)
  280. Genus Catellocaula Palmer & Wilson, 1988 † (uncertain, unassessed)
  281. Genus Catenarichnus Bradshaw, 2002 † (uncertain, unassessed)
  282. Genus Catenichnus McCarthy, 1979 † (uncertain, unassessed)
  283. Genus Caudichnus D'Alessandro & Iannone, 1993 † (uncertain, unassessed)
  284. Genus Caugichnus Hofmann, 1979 † (uncertain, unassessed)
  285. Genus Cavaulichnus Jiang in Jiang, Luo & Zhang, 1982 † (uncertain, unassessed)
  286. Genus Caveasphaera Xiao & Knoll, 2000 † (uncertain, unassessed)
  287. Genus Cepanowakia Alberti, 1987 † (uncertain, unassessed)
  288. Genus Cephaloleichnites Wilf, Labandeira, Kress, Staines, Windsor, Allen & Johnson, 2000 † (uncertain, unassessed)
  289. Genus Ceratomorpha Yang & Sun, 1982 † (uncertain, unassessed)
  290. Genus Chagrinichnites Feldmann, Osgood, Szmuc & Meinke, 1978 † (uncertain, unassessed)
  291. Genus Chalasiocranos Brock & Cooper, 1993 † (uncertain, unassessed)
  292. Genus Changtuella Liu & Gao in Liu, Chen, Yang, Yang, Zhang & Gao, 1992 † (uncertain, unassessed)
  293. Genus Characichnos Whyte & Romano, 2001 † (uncertain, unassessed)
  294. Genus Cheiichnus Jensen & Bergstrom, 2000 † (uncertain, unassessed)
  295. Genus Chelipus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  296. Genus Chengdeina Liu in Liu Xiaoliang & Wang Dongfang, 1990 † (uncertain, unassessed)
  297. Genus Chordoichnus Mathur, 1983 † (uncertain, unassessed)
  298. Genus Chuchliona Snajdar, 1983 † (uncertain, unassessed)
  299. Genus Chuxiongpus Chen & Huang, 1993 † (uncertain, unassessed)
  300. Genus Cinmicritina Nagy, 1989 † (uncertain, unassessed)
  301. Genus Cladichnus d'Alessandro & Bromley, 1987 † (uncertain, unassessed)
  302. Genus Clavatulicola Radwanski & Baluk, 1997 † (uncertain, unassessed)
  303. Genus Cnidophora Wang, Qiang & Fan, 1994 † (uncertain, unassessed)
  304. Genus Coenobichnus Walker, Holland & Gardiner, 2003 † (uncertain, unassessed)
  305. Genus Communichnus Snedden, 1991 † (uncertain, unassessed)
  306. Genus Compaginatichnus Pickerill, 1989 † (uncertain, unassessed)
  307. Genus Compomicritina Nagy, 1989 † (uncertain, unassessed)
  308. Genus Congerimicritina Nagy, 1989 † (uncertain, unassessed)
  309. Genus Conicula Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  310. Genus Conigalea Ivanov, 1995 † (uncertain, unassessed)
  311. Genus Corallioscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  312. Genus Cornulatichnus Carroll & Trewin, 1995 † (uncertain, unassessed)
  313. Genus Correptomicritina Nagy, 1989 † (uncertain, unassessed)
  314. Genus Corymbipes Sarjeant & Langston, 1994 † (uncertain, unassessed)
  315. Genus Cotyledion Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  316. Genus Cotylocillus Duan & Cao, 1989 † (uncertain, unassessed)
  317. Genus Cremnodinotus Liu, 1987 † (uncertain, unassessed)
  318. Genus Crinophagus Arendt, 1985 † (uncertain, unassessed)
  319. Genus Cristatodus Gridina, 1991 † (uncertain, unassessed)
  320. Genus Crusmicritina Nagy, 1989 † (uncertain, unassessed)
  321. Genus Cumulusichnium Plicka, 1983 † (uncertain, unassessed)
  322. Genus Cumulusichnium Plicka, 1984 † (uncertain, unassessed)
  323. Genus Curvichnus Nielsen, 2002 † (uncertain, unassessed)
  324. Genus Curviconophorus Rudkin, 1998 † (uncertain, unassessed)
  325. Genus Curvitubus Duan & Cao, 1989 † (uncertain, unassessed)
  326. Genus Cyclogeorgina Müller & Hinz, 1992 † (uncertain, unassessed)
  327. Genus Cylindricavus Borkar & Kulkarni, 1987 † (uncertain, unassessed)
  328. Genus Cylindricotheca Liu in Liu Xiaoliang & Wang Dongfang, 1990 † (uncertain, unassessed)
  329. Genus Cylindricum Linck, 1949 † (uncertain, unassessed)
  330. Genus Cylindrochites Liu in Liu Xiaoliang & Wang Dongfang, 1990 † (uncertain, unassessed)
  331. Genus Cylindrocraterion Ghare & Badve, 1977 † (uncertain, unassessed)
  332. Genus Cymataulus Rindsberg, 1994 † (uncertain, unassessed)
  333. Genus Cymbia Jiang, 1982 † (uncertain, unassessed)
  334. Genus Cyphinites Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  335. Genus Cyrtochites Qian, 1984 † (uncertain, unassessed)
  336. Genus Cystichnium Hu & Wu, 1993 † (uncertain, unassessed)
  337. Genus Deiradoclavus Conway Morris & Chen Menge, 1991 † (uncertain, unassessed)
  338. Genus Deltapodus Whyte & Romano, 1994 † (uncertain, unassessed)
  339. Genus Dendroidichnites Demathieu, Gand & Toutin-Morin, 1992 † (uncertain, unassessed)
  340. Genus Densignathus Daeschler, 2000 † (uncertain, unassessed)
  341. Genus Derventia Lakova, 1997 † (uncertain, unassessed)
  342. Genus Desertites Duan & Xiao, 1992 † (uncertain, unassessed)
  343. Genus Desmichnus Hecker, 1980 † (uncertain, unassessed)
  344. Genus Deuteronectanebos Schram, 1979 † (uncertain, unassessed)
  345. Genus Devoniana Sergeeva, 1979 † (uncertain, unassessed)
  346. Genus Dicerotinichnus Guérin & Demathieu, 1993 † (uncertain, unassessed)
  347. Genus Dicynodontocopros Hunt, Lucas & Lockley, 1998 † (uncertain, unassessed)
  348. Genus Didymaulyponomos Bradshaw, 1981 † (uncertain, unassessed)
  349. Genus Diffusasterella Demidenko in Gravestock, Alexander, Demidenko, Esakova, Holmer, Jago, Lin, Melnikova, Parkhaev, Rozanov, Ushatinskaya, Zang, Zhegallo & Zhuravlev, 2001 † (uncertain, unassessed)
  350. Genus Digitichnus Ekdale & Picard, 1985 † (uncertain, unassessed)
  351. Genus Dimidia Jiang, 1982 † (uncertain, unassessed)
  352. Genus Dimorphoconus Donovan & Paul, 1985 † (uncertain, unassessed)
  353. Genus Dinehichnus Lockley, Santos, Meyer & Hunt, 1998 † (uncertain, unassessed)
  354. Genus Discoides Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  355. Genus Ditabulipora Wu, 1991 † (uncertain, unassessed)
  356. Genus Dongshania Hou & Bergstrom, 1998 † (uncertain, unassessed)
  357. Genus Dysnoetopla Liu, 1987 † (uncertain, unassessed)
  358. Genus Echinivesica Wu, 1991 † (uncertain, unassessed)
  359. Genus Edaphichnium Bown & Kraus, 1983 † (uncertain, unassessed)
  360. Genus Eichbaumia Schallreuter, 1981 † (uncertain, unassessed)
  361. Genus Eisenachichnus Kozur, 1983 † (uncertain, unassessed)
  362. Genus Eisenackisyrinx Mierzejewski, 1986 † (uncertain, unassessed)
  363. Genus Ejectonites Ghare & Kulkarni, 1986 † (uncertain, unassessed)
  364. Genus Ejectonites Kulkarni & Ghare, 1989 † (uncertain, unassessed)
  365. Genus Elasenia Fedonkin in Velikanov & Fedonkin, 1983 † (uncertain, unassessed)
  366. Genus Elatera Herman in German & Timofeiev, 1985 † (uncertain, unassessed)
  367. Genus Elingua Orlowski, 1989 † (uncertain, unassessed)
  368. Genus Endaulites Marintsch & Finks, 1982 † (uncertain, unassessed)
  369. Genus Enigmatichnus Crimes & Germs, 1982 † (uncertain, unassessed)
  370. Genus Enigmatopus Biron & Dutuit, 1982 † (uncertain, unassessed)
  371. Genus Enormichnium Novak & Plicka, 1986 † (uncertain, unassessed)
  372. Genus Entradichnus Ekdale & Picard, 1985 † (uncertain, unassessed)
  373. Genus Eoalvinellodes Little, Maslennikov, Morris & Gubanov, 1999 † (uncertain, unassessed)
  374. Genus Eosolena Herman in German & Timofeiev, 1985 † (uncertain, unassessed)
  375. Genus Ernogia Jiang, 1982 † (uncertain, unassessed)
  376. Genus Eschenbachiellus Briggs & Bartles, 2001 † (uncertain, unassessed)
  377. Genus Escumasia Nitecki & Solem, 1973 † (uncertain, unassessed)
  378. Genus Estoniadiscus Peel, 2003 † (uncertain, unassessed)
  379. Genus Estrellichnus Uchman & Wetzel, 2001 † (uncertain, unassessed)
  380. Genus Etacystis Nitecki & Schram, 1976 † (uncertain, unassessed)
  381. Genus Etterwindichnus Walter, 1983 † (uncertain, unassessed)
  382. Genus Euproopichnus Walter, 1983 † (uncertain, unassessed)
  383. Genus Euryscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  384. Genus Eurytholia Sutton, Holmer & Cherns, 2001 † (uncertain, unassessed)
  385. Genus Exallopus Harris, Johnson, Hicks & Tauxe, 1996 † (uncertain, unassessed)
  386. Genus Falcatipes Sarjeant & Langston, 1994 † (uncertain, unassessed)
  387. Genus Falcichnites Stepanek & Geyer, 1989 † (uncertain, unassessed)
  388. Genus Fangxianites Duan, 1984 † (uncertain, unassessed)
  389. Genus Fasciarichnus Wang & Wang, 1995 † (uncertain, unassessed)
  390. Genus Fenhsiangia Long & Burrett, 1989 † (uncertain, unassessed)
  391. Genus Fezzanichnium Novak, 1990 † (uncertain, unassessed)
  392. Genus Fichterichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  393. Genus Fimbritubichnus Gluszek, 1998 † (uncertain, unassessed)
  394. Genus Flabellichnus Netto, 1992 † (uncertain, unassessed)
  395. Genus Flexorhaphe Kappel, 2003 † (uncertain, unassessed)
  396. Genus Florichnus Bi, Guo & Qian, 1996 † (uncertain, unassessed)
  397. Genus Flyschichnium Novak & Peslova, 1986 † (uncertain, unassessed)
  398. Genus Foesterichnus Pirrie, Feldmann & Buatois, 2004 † (uncertain, unassessed)
  399. Genus Fuersichnus Bromley & Asgaard, 1979 † (uncertain, unassessed)
  400. Genus Furnasichnus Borghi & Fernandes, 2001 † (uncertain, unassessed)
  401. Genus Fuscinapeda Sarjeant & Langston, 1994 † (uncertain, unassessed)
  402. Genus Fuscinapedis Lee, 1997 † (uncertain, unassessed)
  403. Genus Fuxinia Liu in Liu Xiaoliang & Wang Dongfang, 1990 † (uncertain, unassessed)
  404. Genus Gamalites Marek, 1974 † (uncertain, unassessed)
  405. Genus Gambapes Sarjeant & Langston, 1994 † (uncertain, unassessed)
  406. Genus Gangtoucunia Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  407. Genus Gaparella Missarzhevskij in Missarzhevskij & Mambetov, 1981 † (uncertain, unassessed)
  408. Genus Gastropodichnus Yao, 1993 † (uncertain, unassessed)
  409. Genus Gelenoptron Conway Morris, 1993 † (uncertain, unassessed)
  410. Genus Glaciichnium Walter, 1985 † (uncertain, unassessed)
  411. Genus Glasbachichnium Walter, 1983 † (uncertain, unassessed)
  412. Genus Glirotremmorpha Collinson & Hooker, 2000 † (uncertain, unassessed)
  413. Genus Globifructus Geng & Zhang, 1987 † (uncertain, unassessed)
  414. Genus Globomicritina Nagy, 1989 † (uncertain, unassessed)
  415. Genus Glockeria Ksiazkiewicz, 1968 † (uncertain, unassessed)
  416. Genus Glockerichnus Pickerill, 1982 † (uncertain, unassessed)
  417. Genus Glyphichnus Bromley & Goldring, 1992 † (uncertain, unassessed)
  418. Genus Glyptites Duan & Xiao, 1992 † (uncertain, unassessed)
  419. Genus Godulaichnium Plicka, 1986 † (uncertain, unassessed)
  420. Genus Gracilichnus Yang & Shen, 1999 † (uncertain, unassessed)
  421. Genus Granichnium Muller, 1980 † (uncertain, unassessed)
  422. Genus Grossularia Granzow, 1989 † (uncertain, unassessed)
  423. Genus Guandacolichnus Pazos, 2000 † (uncertain, unassessed)
  424. Genus Guanshania Liu & Gao in Liu, Chen, Yang, Yang, Zhang & Gao, 1992 † (uncertain, unassessed)
  425. Genus Hadrosaurichnoides Casanovas Cladellas, Ezquerra Miguel, Fernandez Ortega, Perez-Lorente, Santafe Llopis & Torcida Fernandez, 1994 † (uncertain, unassessed)
  426. Genus Hagenetta Hahna & Pflug, 1988 † (uncertain, unassessed)
  427. Genus Hallotheca Malinky, Linsley & Yochelson, 1987 † (uncertain, unassessed)
  428. Genus Hanadirella El-Khayal, 1985 † (uncertain, unassessed)
  429. Genus Hanshuiella Yue in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  430. Genus Hartsellea Rindsberg, 1994 † (uncertain, unassessed)
  431. Genus Harttia Walcott, 1884 † (uncertain, unassessed)
  432. Genus Harttites Howell & Knight, 1936 † (uncertain, unassessed)
  433. Genus Hatcherichnus Foster & Lockley, 1997 † (uncertain, unassessed)
  434. Genus Hebeiella Liu in Liu Xiaoliang & Wang Dongfang, 1990 † (uncertain, unassessed)
  435. Genus Heckerina Alekseev & Endelman, 1989 † (uncertain, unassessed)
  436. Genus Hedriumichnus Braddy & Briggs, 2002 † (uncertain, unassessed)
  437. Genus Heftebergichnus Walter, 1983 † (uncertain, unassessed)
  438. Genus Heimdallia Bradshaw, 1981 † (uncertain, unassessed)
  439. Genus Helanoichnus Yang in Yang Shipu & Zheng Zhaochang, 1985 † (uncertain, unassessed)
  440. Genus Helicoichnus Yang in Yang, Song & Liang, 1986 † (uncertain, unassessed)
  441. Genus Helicoichnus Yang in Yang, Song & Liang, 1982 † (uncertain, unassessed)
  442. Genus Heliomiria Sedlak, 1977 † (uncertain, unassessed)
  443. Genus Heterolamellia Wu, 1991 † (uncertain, unassessed)
  444. Genus Heteropodichnus Walter, 1983 † (uncertain, unassessed)
  445. Genus Heteropolacopros Hunt, Lucas & Lockley, 1998 † (uncertain, unassessed)
  446. Genus Heterotripodichnus Walter, 1983 † (uncertain, unassessed)
  447. Genus Hexaella Milanovic, 1989 † (uncertain, unassessed)
  448. Genus Hippotrum Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  449. Genus Hondichnus Ausich, 1979 † (uncertain, unassessed)
  450. Genus Hostynichnium Plicka & Siranova, 1989 † (uncertain, unassessed)
  451. Genus Huizenodus He & Xie, 1989 † (uncertain, unassessed)
  452. Genus Hwangsanipes Yang, Lockley, Greben, Erickson & Lim, 1995 † (uncertain, unassessed)
  453. Genus Ichnogyrus Bown & Kraus, 1983 † (uncertain, unassessed)
  454. Genus Ichnospongiella Rigby, Xichun & Jiasong, 1998 † (uncertain, unassessed)
  455. Genus Ichnyspica Linck, 1949 † (uncertain, unassessed)
  456. Genus Iguanodontipus Sarjeant, Delair & Lockley, 1998 † (uncertain, unassessed)
  457. Genus Ilmenichnus Hecker, 1980 † (uncertain, unassessed)
  458. Genus Implimicritina Nagy, 1989 † (uncertain, unassessed)
  459. Genus Inamichnis Nakazawa & Yoshimatsu in Nakazawa, Yoshimatsu, Terai & Mori, 1980 † (uncertain, unassessed)
  460. Genus Inessia Pyanovskaya, 1981 † (uncertain, unassessed)
  461. Genus Insignicornis Sysoev, 1973 † (uncertain, unassessed)
  462. Genus Intexalvichnus Buckman, 1997 † (uncertain, unassessed)
  463. Genus Irichnus Skompski, 1991 † (uncertain, unassessed)
  464. Genus Irridinitus Fedonkin in Velikanov & Fedonkin, 1983 † (uncertain, unassessed)
  465. Genus Itirindia Hermann in Hermann & Podkovyrov, 2002 † (uncertain, unassessed)
  466. Genus Jamesonichnites Dam, 1990 † (uncertain, unassessed)
  467. Genus Jiayinsauropus Dong, Zhou & Wu, 2003 † (uncertain, unassessed)
  468. Genus Jinkenites Yu, 1988 † (uncertain, unassessed)
  469. Genus Jinningichnus Li & Yang, 1988 † (uncertain, unassessed)
  470. Genus Kaimuria Ghare & Badve, 1977 † (uncertain, unassessed)
  471. Genus Kaiyangites Qian & Yin in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  472. Genus Kalnaichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  473. Genus Kalohipus Fuentes Vidarte & Meijide Calvo, 1998 † (uncertain, unassessed)
  474. Genus Kaloscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  475. Genus Karaburunella Kozur, 1997 † (uncertain, unassessed)
  476. Genus Kazakhstanotubulus Gridina, 1991 † (uncertain, unassessed)
  477. Genus Kembrinaria Korde, 1989 † (uncertain, unassessed)
  478. Genus Kettwigiella Schmidt, 1954 † (uncertain, unassessed)
  479. Genus Khagnura Esakova in Esakova & Zhegallo, 1996 † (uncertain, unassessed)
  480. Genus Kiehnensus Tuftin & Kyllo, 1978 † (uncertain, unassessed)
  481. Genus Kiivermus Katto, 1975 † (uncertain, unassessed)
  482. Genus Kinzeria Garcia-Bellido Capdevila & Conway Morris, 1999 † (uncertain, unassessed)
  483. Genus Kivanichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  484. Genus Kleninia Pyanovskaya, 1981 † (uncertain, unassessed)
  485. Genus Koksodus Missarzhevskij in Missarzhevskij & Mambetov, 1981 † (uncertain, unassessed)
  486. Genus Konbergichnium Walter, 1978 † (uncertain, unassessed)
  487. Genus Korilacus Missarjevsky, 1989 † (uncertain, unassessed)
  488. Genus Kryptolagena Flugel, 1980 † (uncertain, unassessed)
  489. Genus Kuanchuanella Yue in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  490. Genus Kundatoides Aksarina in Pospelov, Pelman, Zhuravleva, Luchinina, Kuznetsova, Esakova, Ermak & Akasarina, 1995 † (uncertain, unassessed)
  491. Genus Labyrinthus Kobluk, 1979 † (uncertain, unassessed)
  492. Genus Labyrintichnus Uchman & Alvaro, 2000 † (uncertain, unassessed)
  493. Genus Lachrymatichnus Yang & Yin in Yang, Yin & He, 1982 † (uncertain, unassessed)
  494. Genus Lacrima Duan & Cao, 1989 † (uncertain, unassessed)
  495. Genus Lagenula Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  496. Genus Lamellivallia Wu, 1991 † (uncertain, unassessed)
  497. Genus Lapistamnia Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  498. Genus Laqueichnus Kappel, 2003 † (uncertain, unassessed)
  499. Genus Laqueiichnus Gekker, 1983 † (uncertain, unassessed)
  500. Genus Laxicavia Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  501. Genus Lechratichnus Yang, 1992 † (uncertain, unassessed)
  502. Genus Leptoptilostipus Payros, Astibia, Cearreta, Pereda-Suberbiola, Murelaga & Badiola, 2000 † (uncertain, unassessed)
  503. Genus Liantuoella Duan & Cao, 1989 † (uncertain, unassessed)
  504. Genus Libodiscus Conway Morris, Savoy & Harris, 1991 † (uncertain, unassessed)
  505. Genus Lidaconus Onken & Signer, 1988 † (uncertain, unassessed)
  506. Genus Ligabueichnium Leonardi, 1984 † (uncertain, unassessed)
  507. Genus Ligyrokala Liu, 1987 † (uncertain, unassessed)
  508. Genus Limulava Størmer, 1959 † (uncertain, unassessed)
  509. Genus Limuludichnus Linck, 1949 † (uncertain, unassessed)
  510. Genus Lineatichnus Walter, 1983 † (uncertain, unassessed)
  511. Genus Linoichnus Yang, 1984 † (uncertain, unassessed)
  512. Genus Liorichita Liu, 1987 † (uncertain, unassessed)
  513. Genus Liptovichnium Plicka, 1987 † (uncertain, unassessed)
  514. Genus Lirquenichnus Bandel & Quinzio-Sinn, 1999 † (uncertain, unassessed)
  515. Genus Litholites Mikulas, 1991 † (uncertain, unassessed)
  516. Genus Lithoplaision Diblin, Randazzo & Jones, 1991 † (uncertain, unassessed)
  517. Genus Lomosovis Fedonkin in Velikanov & Fedonkin, 1983 † (uncertain, unassessed)
  518. Genus Longshanichnus Yang in Yang Shipu, 1985 † (uncertain, unassessed)
  519. Genus Lumbricalitube Tan in Tan & Yu, 1997 † (uncertain, unassessed)
  520. Genus Lunachites Qian & Yin, 1985 † (uncertain, unassessed)
  521. Genus Lunaepes Gand, Demathieu & Ballestra, 1995 † (uncertain, unassessed)
  522. Genus Lunatubichnus Trewin & McNamara, 1995 † (uncertain, unassessed)
  523. Genus Lunichnium Walter, 1983 † (uncertain, unassessed)
  524. Genus Luonanconcha Jian & Hu in Hu, Jian & Hua, 1993 † (uncertain, unassessed)
  525. Genus Lusatichnium Walter, 1985 † (uncertain, unassessed)
  526. Genus Lushanichnus Hu & Meng in Hu, Meng, Zhang & Wang, 1991 † (uncertain, unassessed)
  527. Genus Mabiania He in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  528. Genus Macgowanella Nelson & Bolton, 1980 † (uncertain, unassessed)
  529. Genus Macrocephalus Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  530. Genus Maennilia Rozhnov & Jefferies, 1996 † (uncertain, unassessed)
  531. Genus Magnoculocaris Briggs & Bartels, 2002 † (uncertain, unassessed)
  532. Genus Magnoculus Briggs & Bartels, 2001 † (uncertain, unassessed)
  533. Genus Maiakarichnus Verde & Martinez, 2004 † (uncertain, unassessed)
  534. Genus Malvinensis Wind, Dinkelman & Wise, 1977 † (uncertain, unassessed)
  535. Genus Margennipes Heyler, 1984 † (uncertain, unassessed)
  536. Genus Margimicritina Nagy, 1989 † (uncertain, unassessed)
  537. Genus Mazonova Godfrey, 1995 † (uncertain, unassessed)
  538. Genus Mediosulcolites Hu, 1980 † (uncertain, unassessed)
  539. Genus Megagyrolithes Gaillard, 1980 † (uncertain, unassessed)
  540. Genus Megalosauripus Lockley, Meyer & dos Santos, 2000 † (uncertain, unassessed)
  541. Genus Megapermichnus Jenny & Jenny-Deshusses, 1978 † (uncertain, unassessed)
  542. Genus Megaplanolites Calvo, Gil & Melendez, 1987 † (uncertain, unassessed)
  543. Genus Melatercichnus Miller, 1991 † (uncertain, unassessed)
  544. Genus Menola Schallreuter, 1981 † (uncertain, unassessed)
  545. Genus Merifontichnus Gand, Garric, Demathieu & Ellenberger, 2000 † (uncertain, unassessed)
  546. Genus Meristosoma Robison & Wiley, 1995 † (uncertain, unassessed)
  547. Genus Micritina Nagy, 1989 † (uncertain, unassessed)
  548. Genus Micritivesica Wu, 1991 † (uncertain, unassessed)
  549. Genus Micritosphaera Scott, 1978 † (uncertain, unassessed)
  550. Genus Microancientia Schallreuter, 1980 † (uncertain, unassessed)
  551. Genus Microgemmula Langer, 1980 † (uncertain, unassessed)
  552. Genus Micronemaites Hubei Sheng Dizhi Ju Sanxia Diceng Yanjiu Zu [Hubei Province Bur. of Geol. Sanxia Stratigraphical Res. Gp], 1978 † (uncertain, unassessed)
  553. Genus Microschedia Geyer, 1994 † (uncertain, unassessed)
  554. Genus Microspirolithus Yang & Yin in Yang, Yin & He, 1982 † (uncertain, unassessed)
  555. Genus Minisauripus Zhen, Li, Zhang, Chen & Zhu, 1995 † (uncertain, unassessed)
  556. Genus Minourella Munnecke, Servais & Vachard, 2000 † (uncertain, unassessed)
  557. Genus Mirabifolliculus Yang & He, 1985 † (uncertain, unassessed)
  558. Genus Mirandaichnium Acenolaza, 1978 † (uncertain, unassessed)
  559. Genus Misraea Maithy & Babu, 1987 † (uncertain, unassessed)
  560. Genus Mitchellichnus Walker, 1985 † (uncertain, unassessed)
  561. Genus Mongolitesta Esakova in Esakova & Zhegallo, 1996 † (uncertain, unassessed)
  562. Genus Mongolitubulus Missarzhevsky, 1977 † (uncertain, unassessed)
  563. Genus Monofungites Mikulas, 1992 † (uncertain, unassessed)
  564. Genus Montemonstrum Heidtke & Krätschmer, 2001 † (uncertain, unassessed)
  565. Genus Monticulichnus Kappel, 2003 † (uncertain, unassessed)
  566. Genus Moyeronia Nikiforova & Rozov, 1979 † (uncertain, unassessed)
  567. Genus Multiaqueichnus Yang & Yin in Yang, Yin & He, 1982 † (uncertain, unassessed)
  568. Genus Multilamella Orlowski, 1989 † (uncertain, unassessed)
  569. Genus Multipodichnus Walter, 1983 † (uncertain, unassessed)
  570. Genus Murrayscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  571. Genus Mystheria Regali & Sarjeant, 1986 † (uncertain, unassessed)
  572. Genus Namacalathus Grotzinger, Watters & Knoll, 2000 † (uncertain, unassessed)
  573. Genus Nanjiangofolliculus Yang & He, 1985 † (uncertain, unassessed)
  574. Genus Naraoiiformes Starobogatov, 1985 † (uncertain, unassessed)
  575. Genus Nectaspida Størmer, 1959 † (uncertain, unassessed)
  576. Genus Neodictyon Mikulas, 1992 † (uncertain, unassessed)
  577. Genus Neurodictyon Li, 1992 † (uncertain, unassessed)
  578. Genus Nevadatubulus Signor, Mount & Onken, 1987 † (uncertain, unassessed)
  579. Genus Nidomicritina Nagy, 1989 † (uncertain, unassessed)
  580. Genus Ningqiangella Zhang, 1986 † (uncertain, unassessed)
  581. Genus Ningxiaichnus Yang in Yang Shipu & Zheng Zhaochang, 1985 † (uncertain, unassessed)
  582. Genus Nodituba Bi, Guo & Qian, 1996 † (uncertain, unassessed)
  583. Genus Notocubichnia Badve & Hare, 1980 † (uncertain, unassessed)
  584. Genus Nummipera Holder, 1989 † (uncertain, unassessed)
  585. Genus Obliquus Marintsch & Finks, 1982 † (uncertain, unassessed)
  586. Genus Oekentorpia Langer, 1997 † (uncertain, unassessed)
  587. Genus Oekentorpites Langer, 1997 † (uncertain, unassessed)
  588. Genus Oiella Hinz-Schallreuter & Schallreuter, 2000 † (uncertain, unassessed)
  589. Genus Oligonodus Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  590. Genus Omalenlina Liu, 1987 † (uncertain, unassessed)
  591. Genus Onychia Jiang, 1982 † (uncertain, unassessed)
  592. Genus Oomicritina Nagy, 1989 † (uncertain, unassessed)
  593. Genus Ophioichnus Bell, 2004 † (uncertain, unassessed)
  594. Genus Oravaichnium Plicka & Uhrova, 1990 † (uncertain, unassessed)
  595. Genus Orbiculichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  596. Genus Ornithoformipes Patterson & Lockley, 2004 † (uncertain, unassessed)
  597. Genus Ovatiichnum Yang in Yang, Song & Liang, 1983 † (uncertain, unassessed)
  598. Genus Paganzichnus Pazos, 2000 † (uncertain, unassessed)
  599. Genus Palaeocuniculichnites Ghare & Badve, 1977 † (uncertain, unassessed)
  600. Genus Palaeodiscus Gaucher, 2000 † (uncertain, unassessed)
  601. Genus Palaeohelminthopsis Mikulas, 2000 † (uncertain, unassessed)
  602. Genus Paleaichnus Yang in Deng, Zheng, Liu & Yang, 2000 † (uncertain, unassessed)
  603. Genus Paleaichnus Yang in Yang, Deng, Zheng & Liu, 2001 † (uncertain, unassessed)
  604. Genus Palimmecopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  605. Genus Pallmicritina Nagy, 1989 † (uncertain, unassessed)
  606. Genus Pannomicritina Nagy, 1989 † (uncertain, unassessed)
  607. Genus Panshitubulus Liu & Gao in Liu, Chen, Yang, Yang, Zhang & Gao, 1992 † (uncertain, unassessed)
  608. Genus Pantoioscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  609. Genus Papiliocaris Jell, 1983 † (uncertain, unassessed)
  610. Genus Parabrontopodus Lockley, Farlow & Meyer, 1994 † (uncertain, unassessed)
  611. Genus Paracruziana Cao & Lu, 1991 † (uncertain, unassessed)
  612. Genus Paradictyodora Oliver, Buatois & Scasso, 2004 † (uncertain, unassessed)
  613. Genus Paradidymaulichnus Hu & Wu, 1993 † (uncertain, unassessed)
  614. Genus Paradoxiconus Qian, Li, He & Xie, 2001 † (uncertain, unassessed)
  615. Genus Paragordia Yang, 1992 † (uncertain, unassessed)
  616. Genus Paragrallator Li & Zhang, 2000 † (uncertain, unassessed)
  617. Genus Parahamipes Holub & Kozur, 1983 † (uncertain, unassessed)
  618. Genus Parahelicorhaphe Yang in Yang, Song & Liang, 1982 † (uncertain, unassessed)
  619. Genus Parahorridomus Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  620. Genus Paralanicichnites Ghare & Badve, 1981 † (uncertain, unassessed)
  621. Genus Paramargaritichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  622. Genus Paranabarites Jiang, 1982 † (uncertain, unassessed)
  623. Genus Paraplanolites Ding & Chen in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  624. Genus Parapunctella Jiang, 1982 † (uncertain, unassessed)
  625. Genus Parareceptaculites Bartholomaus, Bohmecke & Lange, 1999 † (uncertain, unassessed)
  626. Genus Pararotadiscus Zhu, Zhao & Chen, 2002 † (uncertain, unassessed)
  627. Genus Parascalaritubus Yang & Yin in Yang, Yin & He, 1982 † (uncertain, unassessed)
  628. Genus Parasolia Lenz, 1980 † (uncertain, unassessed)
  629. Genus Paraspongeliomorpha Yin, Li & He, 1993 † (uncertain, unassessed)
  630. Genus Parataenidium Buckman, 2001 † (uncertain, unassessed)
  631. Genus Parmia Gnilovskaya, 1998 † (uncertain, unassessed)
  632. Genus Parvulonoda Rigby & Hou, 1995 † (uncertain, unassessed)
  633. Genus Patanacta Cherns, 1994 † (uncertain, unassessed)
  634. Genus Pellmicritina Nagy, 1989 † (uncertain, unassessed)
  635. Genus Pennatichnus Mayoral, 1988 † (uncertain, unassessed)
  636. Genus Pentagonium Snopkova & Samuel, 1982 † (uncertain, unassessed)
  637. Genus Pentapodichnus Walter, 1983 † (uncertain, unassessed)
  638. Genus Peponotripeta Tang, 1994 † (uncertain, unassessed)
  639. Genus Permicritina Nagy, 1989 † (uncertain, unassessed)
  640. Genus Phacatrum Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  641. Genus Phacelopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  642. Genus Phasganichnus Yang, 1992 † (uncertain, unassessed)
  643. Genus Phasganula Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  644. Genus Phlogites Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  645. Genus Phragmorpha Wang, Qiang & Fan, 1994 † (uncertain, unassessed)
  646. Genus Phyllochites Qian & Yin, 1985 † (uncertain, unassessed)
  647. Genus Phyllochiton Duan, 1984 † (uncertain, unassessed)
  648. Genus Phytophilaspis Ivantsov, 1999 † (uncertain, unassessed)
  649. Genus Pilichnus Uchman, 1999 † (uncertain, unassessed)
  650. Genus Pinaceocladichnus Mayoral, 1988 † (uncertain, unassessed)
  651. Genus Pinsdorfichnis Vialov, 1989 † (uncertain, unassessed)
  652. Genus Pirandikus Holub & Kozur, 1983 † (uncertain, unassessed)
  653. Genus Piscindusia Jarzembowski, 1995 † (uncertain, unassessed)
  654. Genus Pisinnocaris Hou & Bergstrom, 1998 † (uncertain, unassessed)
  655. Genus Planipes Gand, Demathieu & Ballestra, 1995 † (uncertain, unassessed)
  656. Genus Platytuba Borkar, 1985 † (uncertain, unassessed)
  657. Genus Plinthokonion Landing, 1988 † (uncertain, unassessed)
  658. Genus Plumifascicularia Schipitzyn & Sosnovskaja in Sosnovskaja & Schipitzyn, 1984 † (uncertain, unassessed)
  659. Genus Polarichnus Narbonne in Narbonne, Gibling & Jones, 1979 † (uncertain, unassessed)
  660. Genus Pollofructus Geng & Zhang, 1987 † (uncertain, unassessed)
  661. Genus Polycylindrichnus Fournier, Pemberton & Risk, 1980 † (uncertain, unassessed)
  662. Genus Polyechinivesica Wu, 1991 † (uncertain, unassessed)
  663. Genus Polypodichnus Ghare & Kulkarni, 1986 † (uncertain, unassessed)
  664. Genus Polysphaera Lambert & Villain, 1996 † (uncertain, unassessed)
  665. Genus Polyurida Almond, 1985 † (uncertain, unassessed)
  666. Genus Polyvesica Wu, 1991 † (uncertain, unassessed)
  667. Genus Popradichnium Plicka, 1983 † (uncertain, unassessed)
  668. Genus Poratites Jiang, 1980 † (uncertain, unassessed)
  669. Genus Porivallia Wu, 1991 † (uncertain, unassessed)
  670. Genus Potamoceroides Munier-Chalmas in Ferronniere, 1901 † (uncertain, unassessed)
  671. Genus Praceichnium Novak, 1984 † (uncertain, unassessed)
  672. Genus Pragichnus Chlupac, 1987 † (uncertain, unassessed)
  673. Genus Pravitripeta Tang, 1994 † (uncertain, unassessed)
  674. Genus Presbyorniformipes Yang, Lockley, Greben, Erickson & Lim, 1995 † (uncertain, unassessed)
  675. Genus Pridolichnus Mikulas, Cap & Horny, 2003 † (uncertain, unassessed)
  676. Genus Priscapennamarina Zhang & Babcock, 2001 † (uncertain, unassessed)
  677. Genus Pristioites Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  678. Genus Prorotodactylus Ptaszynski, 2000 † (uncertain, unassessed)
  679. Genus Protoconites Chen, Xiao & Yuan, 1994 † (uncertain, unassessed)
  680. Genus Protomelission Brock & Cooper, 1993 † (uncertain, unassessed)
  681. Genus Pseudoiulia Hou & Bergstrom, 1998 † (uncertain, unassessed)
  682. Genus Pseudosalebra Baryshnikov, 1982 † (uncertain, unassessed)
  683. Genus Pseudosynaptichnium Gand, Demathieu & Ballestra, 1995 † (uncertain, unassessed)
  684. Genus Psilonichnus Fürsich, 1981 † (uncertain, unassessed)
  685. Genus Pteridiscaphichnos Labandeira & Phillips, 2002 † (uncertain, unassessed)
  686. Genus Pteriditorichnos Labandeira & Phillips, 2002 † (uncertain, unassessed)
  687. Genus Pteromus Wang, 1994 † (uncertain, unassessed)
  688. Genus Ptyariopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  689. Genus Puertollanopus Soler-Gijon & Moratalla, 2001 † (uncertain, unassessed)
  690. Genus Punctichnium Walter, 1983 † (uncertain, unassessed)
  691. Genus Punctumichnium Plicka, 1987 † (uncertain, unassessed)
  692. Genus Pupiformilites Hu, 1981 † (uncertain, unassessed)
  693. Genus Puratanichnus Mathur & Chhatri, 1987 † (uncertain, unassessed)
  694. Genus Pustulichnus Ekdale & Picard, 1985 † (uncertain, unassessed)
  695. Genus Pygmaclypeatus Zhang, Han & Shu, 2000 † (uncertain, unassessed)
  696. Genus Pyrgites Yue in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  697. Genus Qintheca Li & Ding, 1996 † (uncertain, unassessed)
  698. Genus Qipanshanichnus Luo & Tao in Luo, Tao & Gao, 1994 † (uncertain, unassessed)
  699. Genus Quadrispinichna Braddy & Briggs, 2002 † (uncertain, unassessed)
  700. Genus Radhostium Plicka & Riha, 1989 † (uncertain, unassessed)
  701. Genus Radiaxialia Pjanovskaya, 1985 † (uncertain, unassessed)
  702. Genus Radibicupellus Wang, 1990 † (uncertain, unassessed)
  703. Genus Radiituba Badve & Ghare, 1978 † (uncertain, unassessed)
  704. Genus Radiomura Senowbari-Daryan & Schafer, 1979 † (uncertain, unassessed)
  705. Genus Rejkovicichnus Mikulas, Kordule & Szabad, 1996 † (uncertain, unassessed)
  706. Genus Remulichnus Fürsich, Kennedy & Palmer, 1981 † (uncertain, unassessed)
  707. Genus Resegia Missarzhevskij in Missarzhevskij & Mambetov, 1981 † (uncertain, unassessed)
  708. Genus Rhabdochites He in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  709. Genus Rhabdoichnum Yang in Yang, Song & Liang, 1983 † (uncertain, unassessed)
  710. Genus Rhipitrus Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  711. Genus Rhizoichnus d'Alessandro & Iannone, 1984 † (uncertain, unassessed)
  712. Genus Rhombicalvaria Hou, 1987 † (uncertain, unassessed)
  713. Genus Rhomboscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  714. Genus Rhynimonstrum Anderson & Trewin, 2003 † (uncertain, unassessed)
  715. Genus Rigidocaulis Senowbari-Daryan & Flugel, 1993 † (uncertain, unassessed)
  716. Genus Rituichnus Yang in Yang, Song & Liang, 1982 † (uncertain, unassessed)
  717. Genus Rituichnus Yang in Yang, Song & Liang, 1986 † (uncertain, unassessed)
  718. Genus Robledoichnus Kozur & Lemone, 1995 † (uncertain, unassessed)
  719. Genus Rodfaecis Noda & Arakawa, 1994 † (uncertain, unassessed)
  720. Genus Roepichnus Doyle, Wood & George, 2000 † (uncertain, unassessed)
  721. Genus Rorschachichnus Gregory, 1991 † (uncertain, unassessed)
  722. Genus Rotterodichnium Walter, 1983 † (uncertain, unassessed)
  723. Genus Rotundusichnium Plicka, 1989 † (uncertain, unassessed)
  724. Genus Rozanites Sinitsa, 1998 † (uncertain, unassessed)
  725. Genus Rugicirichnus Bi, Guo & Qian, 1996 † (uncertain, unassessed)
  726. Genus Rukhinella Borovko in Borovko, Popov & Khazanovitch, 1989 † (uncertain, unassessed)
  727. Genus Rutichnus d'Alessandro, Bromley & Stemmerik, 1987 † (uncertain, unassessed)
  728. Genus Ruyangichnus Yang & Zhou, 1995 † (uncertain, unassessed)
  729. Genus Sahascolex Ivantsov & Wrona, 2004 † (uncertain, unassessed)
  730. Genus Salanacus Grigorieva in Voronin, Ragozina, Rozanov & Sayutina, 1982 † (uncertain, unassessed)
  731. Genus Salebrichnus Bi, Guo & Qian, 1996 † (uncertain, unassessed)
  732. Genus Salfitichnus Alonso & Marquillas, 1986 † (uncertain, unassessed)
  733. Genus Samsanoffoclavus Landing, 1991 † (uncertain, unassessed)
  734. Genus Samtlebenella Munnecke, Servais & Vachard, 2000 † (uncertain, unassessed)
  735. Genus Sandaokania Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain, unassessed)
  736. Genus Sarjeantipes McCrea, Pemberton & Currie, 2004 † (uncertain, unassessed)
  737. Genus Sarjeantopodus Lockley, Nadon & Currie, 2004 † (uncertain, unassessed)
  738. Genus Saronichnus Pervesler & Zuschin, 2004 † (uncertain, unassessed)
  739. Genus Saurexallopus Harris, 1997 † (uncertain, unassessed)
  740. Genus Scalaridomus Palmer, 1978 † (uncertain, unassessed)
  741. Genus Scamboscamna Liu, 1987 † (uncertain, unassessed)
  742. Genus Schaubcylindrichnus Frey & Howard, 1981 † (uncertain, unassessed)
  743. Genus Schistoscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  744. Genus Schyromorphipus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  745. Genus Scolecia Radtke, 1991 † (uncertain, unassessed)
  746. Genus Scoponodus Jiang, 1982 † (uncertain, unassessed)
  747. Genus Secundumichnus Walter, 1983 † (uncertain, unassessed)
  748. Genus Sekwia Hofmann, 1981 † (uncertain, unassessed)
  749. Genus Selenocara Bjerring, 1997 † (uncertain, unassessed)
  750. Genus Selenoplax Cherns, 1981 † (uncertain, unassessed)
  751. Genus Sellaulichnus Jiang in Jiang, Luo & Zhang, 1982 † (uncertain, unassessed)
  752. Genus Semenola Schallreuter, 1981 † (uncertain, unassessed)
  753. Genus Serpentichnoides Schweigert, 1998 † (uncertain, unassessed)
  754. Genus Serpentichnus Braddy, Morrissey & Yates, 2003 † (uncertain, unassessed)
  755. Genus Servichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  756. Genus Sexangulatus Pelman, Ermak, Fedorov, Luchinina, Zhuravleva, Repina, Bondarev & Borodaevskaya, 1990 † (uncertain, unassessed)
  757. Genus Shalemichnus Kozur & Lemone, 1995 † (uncertain, unassessed)
  758. Genus Shamaoichnus Yang, 1984 † (uncertain, unassessed)
  759. Genus Shanwangichnus Yang, 1996 † (uncertain, unassessed)
  760. Genus Sharpichnium Walter, 1984 † (uncertain, unassessed)
  761. Genus Shergoldiscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  762. Genus Shetlandia Wrona, 2004 † (uncertain, unassessed)
  763. Genus Shingeinella Esakova in Esakova & Zhegallo, 1996 † (uncertain, unassessed)
  764. Genus Shipaitubulus Chen, Chen & Qian, 1981 † (uncertain, unassessed)
  765. Genus Sidichnus Kappel, 2003 † (uncertain, unassessed)
  766. Genus Sidneyiformes Starobogatov, 1985 † (uncertain, unassessed)
  767. Genus Silimorpha Sedlak, 1977 † (uncertain, unassessed)
  768. Genus Sinoampulla Duan & Cao, 1989 † (uncertain, unassessed)
  769. Genus Sinophycos Mikulas, 1998 † (uncertain, unassessed)
  770. Genus Sinoquadraticus Li, Zhang, Guo, Ding, Han & Shu, 2003 † (uncertain, unassessed)
  771. Genus Sinostega Zhu & Ahlberg in Zhu, Ahlberg, Zhao & Jia, 2002 † (uncertain, unassessed)
  772. Genus Sintanichnus Yang, 1984 † (uncertain, unassessed)
  773. Genus Sinusichnus de Gibert, 1996 † (uncertain, unassessed)
  774. Genus Siphonacis Chesselet, 1992 † (uncertain, unassessed)
  775. Genus Sissospina Missarjevsky, 1989 † (uncertain, unassessed)
  776. Genus Skioldia Hou & Bergstrom, 1997 † (uncertain, unassessed)
  777. Genus Snogmusongichnus Yang & Song, 1985 † (uncertain, unassessed)
  778. Genus Sokolovichnites Gureev, 1983 † (uncertain, unassessed)
  779. Genus Solanichnium Plicka & Nemcova, 1991 † (uncertain, unassessed)
  780. Genus Soldadotubulus Gaucher & Sprechmann, 1999 † (uncertain, unassessed)
  781. Genus Soleitripeta Tang, 1994 † (uncertain, unassessed)
  782. Genus Solenotia Qian & Yin, 1985 † (uncertain, unassessed)
  783. Genus Sphaerichnus Fürsich, 1998 † (uncertain, unassessed)
  784. Genus Sphairionia Tien, 1988 † (uncertain, unassessed)
  785. Genus Sphairionia Nguyen, 1989 † (uncertain, unassessed)
  786. Genus Spicodiscus Bekker, 1990 † (uncertain, unassessed)
  787. Genus Spiralella Esakova in Esakova & Zhegallo, 1996 † (uncertain, unassessed)
  788. Genus Spiranopora Plusquellec & Gourvennec, 2000 † (uncertain, unassessed)
  789. Genus Spirellus Jiang, 1982 † (uncertain, unassessed)
  790. Genus Spirocircus Mikulas & Pek, 1994 † (uncertain, unassessed)
  791. Genus Spirocosmorhaphe Seilacher, 1989 † (uncertain, unassessed)
  792. Genus Spiroichnus Mathur, 1983 † (uncertain, unassessed)
  793. Genus Spirotubus Langer, 1979 † (uncertain, unassessed)
  794. Genus Spumisalebra Bogush & Brenkl, 1982 † (uncertain, unassessed)
  795. Genus Spygoria Salak & Lescinsky, 1999 † (uncertain, unassessed)
  796. Genus Squamacula Hou & Bergstrom, 1997 † (uncertain, unassessed)
  797. Genus Stefania Grigorieva in Voronin, Ragozina, Rozanov & Sayutina, 1982 † (uncertain, unassessed)
  798. Genus Stegopodus Lockley & Hunt, 1998 † (uncertain, unassessed)
  799. Genus Steinichnus Bromley & Asgaard, 1979 † (uncertain, unassessed)
  800. Genus Steinsfjordichnus Whitaker, 1980 † (uncertain, unassessed)
  801. Genus Stellavelum Miller & Mason, 2000 † (uncertain, unassessed)
  802. Genus Stellichnus Mayoral, 1987 † (uncertain, unassessed)
  803. Genus Stipanicichnus Casamiquela, 1975 † (uncertain, unassessed)
  804. Genus Storeacolumnella Johnson, Mu & Rong, 1998 † (uncertain, unassessed)
  805. Genus Striatolites Singh & Dayal, 1979 † (uncertain, unassessed)
  806. Genus Strophichnus Fürsich, Kennedy & Palmer, 1981 † (uncertain, unassessed)
  807. Genus Strumariichnus Yang, 1992 † (uncertain, unassessed)
  808. Genus Sugaites Qian & Xiao, 1985 † (uncertain, unassessed)
  809. Genus Sukharikhina Sipin, 1999 † (uncertain, unassessed)
  810. Genus Sukhonopus Gubin & Bulanov in Gubin, Golubev, Bulanov & Petukhov, 2003 † (uncertain, unassessed)
  811. Genus Supinella Kraft & Kraft, 1992 † (uncertain, unassessed)
  812. Genus Surindia Galimova, 1988 † (uncertain, unassessed)
  813. Genus Svalbardichnus Wisshak, Volohonsky, Seilacher & Freiwald, 2004 † (uncertain, unassessed)
  814. Genus Synnigia Sosnovskaya in Sosnovskaya & Shipitsyn, 1986 † (uncertain, unassessed)
  815. Genus Taenioichnus Yang in Yang Shipu & Zheng Zhaochang, 1985 † (uncertain, unassessed)
  816. Genus Taliella Azmi, 1998 † (uncertain, unassessed)
  817. Genus Talitrichnus Brustur & Alexandrescu, 1993 † (uncertain, unassessed)
  818. Genus Taphrhelminthoides Weber & Braddy, 2004 † (uncertain, unassessed)
  819. Genus Tarichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  820. Genus Tarsichnus Walter, 1983 † (uncertain, unassessed)
  821. Genus Taslerlella Holub & Kozur, 1983 † (uncertain, unassessed)
  822. Genus Taxichnites Stepanek & Geyer, 1989 † (uncertain, unassessed)
  823. Genus Tayshira Esakova in Esakova & Zhegallo, 1996 † (uncertain, unassessed)
  824. Genus Tegminites Duan & Xiao, 1992 † (uncertain, unassessed)
  825. Genus Tektonargus Hasiotis, Kirkland, Windscheffel & Safris, 1998 † (uncertain, unassessed)
  826. Genus Telichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  827. Genus Telsonichnus Schweigert, 1998 † (uncertain, unassessed)
  828. Genus Tensfeldia Hinz-Schallreuter, 1996 † (uncertain, unassessed)
  829. Genus Tetrastoibopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  830. Genus Tevidestus Shpanskaia, Maslennikov & Little, 1999 † (uncertain, unassessed)
  831. Genus Thallusichnus Hu & Meng in Hu, Meng, Zhang & Wang, 1991 † (uncertain, unassessed)
  832. Genus Thartharella Elliot, 1980 † (uncertain, unassessed)
  833. Genus Therangospodus Lockley, Meyer & Moratalla, 2000 † (uncertain, unassessed)
  834. Genus Therapsipus Hunt, Santucci, Lockley & Olson, 1993 † (uncertain, unassessed)
  835. Genus Theroplantigrada Casanovas Cladellas, Ezquerra Miguel, Fernandez Ortega, Perez-Lorente, Santafe Llopis & Torcida Fernandez, 1993 † (uncertain, unassessed)
  836. Genus Thoracoscolex Müller & Hinz-Schallreuter, 1993 † (uncertain, unassessed)
  837. Genus Thrinaxopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  838. Genus Tianshandiscus Qian & Xiao, 1985 † (uncertain, unassessed)
  839. Genus Tibetichnus Yao, Liu & Fu, 1992 † (uncertain, unassessed)
  840. Genus Titanosaurimanus Dalla Vecchia & Tarlao, 2000 † (uncertain, unassessed)
  841. Genus Tommotitubulus Fedorov, 1986 † (uncertain, unassessed)
  842. Genus Tortilichnus Holub & Kozur, 1983 † (uncertain, unassessed)
  843. Genus Toyamasauripus Matsukawa in Matsukawa, Hamuro, Mizukami & Fujii, 1997 † (uncertain, unassessed)
  844. Genus Triangulina Quilty, 1970 † (uncertain, unassessed)
  845. Genus Tricorynopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  846. Genus Triplexa Zhao, Zhou Zhen, Chen & Guo, 1998 † (uncertain, unassessed)
  847. Genus Tripodichnus Walter, 1983 † (uncertain, unassessed)
  848. Genus Tubifexides Novak, 1986 † (uncertain, unassessed)
  849. Genus Tubigeorgina Müller & Hinz, 1992 † (uncertain, unassessed)
  850. Genus Tubisalebra Bogush & Brenkl, 1982 † (uncertain, unassessed)
  851. Genus Tubularina Gaillard in Gaillard, Bernier, Gall, Gruet, Barale, Bourseau, Buffetaut & Wenz, 1994 † (uncertain, unassessed)
  852. Genus Tumblagoodichnus Trewin & McNamara, 1995 † (uncertain, unassessed)
  853. Genus Turbinella Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  854. Genus Tuserospina Missarjevsky, 1989 † (uncertain, unassessed)
  855. Genus Tuvina Korde, 1990 † (uncertain, unassessed)
  856. Genus Tymbochoos Steele-Petrovich & Bolton, 1998 † (uncertain, unassessed)
  857. Genus Tympanites Duan, Cao & Zhang, 1993 † (uncertain, unassessed)
  858. Genus Udzhaites Vassiljeva, 1986 † (uncertain, unassessed)
  859. Genus Uhangrichnus Yang, Lockley, Greben, Erickson & Lim, 1995 † (uncertain, unassessed)
  860. Genus Umbilicus Duan & Cao, 1989 † (uncertain, unassessed)
  861. Genus Ungulichites Ding & Li in Li & Ding, 1996 † (uncertain, unassessed)
  862. Genus Unifissurinella Poignant, 1991 † (uncertain, unassessed)
  863. Genus Uvaites Badve & Ghare, 1978 † (uncertain, unassessed)
  864. Genus Vaccipraticola Nilsson & Bengtson, 1981 † (uncertain, unassessed)
  865. Genus Vachonisiiformes Starobogatov, 1985 † (uncertain, unassessed)
  866. Genus Vagorichnus Buatois, Mangano, Wu Xiantao & Zhang Guocheng, 1995 † (uncertain, unassessed)
  867. Genus Valvasoria Kolar-Jurkovsek & Jurkovsek, 1997 † (uncertain, unassessed)
  868. Genus Variotuba Eisenack, 1978 † (uncertain, unassessed)
  869. Genus Vendichnus Fedonkin in Palij, Posti & Fedonkin, 1979 † (uncertain, unassessed)
  870. Genus Vermichnus Hecker, 1980 † (uncertain, unassessed)
  871. Genus Vernanimalcula Chen, Bottjer, Oliveri, Dornbos, Gao, Ruffins, Chi, Li & Davidson, 2004 † (uncertain, unassessed)
  872. Genus Vialovena Korde, 1989 † (uncertain, unassessed)
  873. Genus Viskoviella Bielokrys, 1995 † (uncertain, unassessed)
  874. Genus Volodia Sosnovskaja, 1980 † (uncertain, unassessed)
  875. Genus Wadeichnus Cook & Bann, 2000 † (uncertain, unassessed)
  876. Genus Waltheria Gaucher & Sprechmann, 1999 † (uncertain, unassessed)
  877. Genus Warvichnium Walter, 1985 † (uncertain, unassessed)
  878. Genus Westgardia Rowland & Carlson, 1983 † (uncertain, unassessed)
  879. Genus Wingertshellicus Briggs & Bartles, 2001 † (uncertain, unassessed)
  880. Genus Wushichites Qian & Xiao, 1985 † (uncertain, unassessed)
  881. Genus Xanthomyria Budd, Hogstrom & Gogin, 2001 † (uncertain, unassessed)
  882. Genus Xiandongtubulus Qian & Zhang, 1985 † (uncertain, unassessed)
  883. Genus Xiangquanheichnus Yang & Song, 1985 † (uncertain, unassessed)
  884. Genus Xishania Hu in Chen, Luo, Hu, Yin, Jiang, Wu, Li & Chen, 2002 † (uncertain, unassessed)
  885. Genus Xizangichnum Yang in Yang, Song & Liang, 1983 † (uncertain, unassessed)
  886. Genus Xunjiansiella Hua & Jian in Hua, Jian & Hua, 1993 † (uncertain, unassessed)
  887. Genus Yacoraitichnus Alonso & Marquillas, 1986 † (uncertain, unassessed)
  888. Genus Yamanskasia Shpanskaja, Maslennikov & Little, 1999 † (uncertain, unassessed)
  889. Genus Yangtzesclerites Chen, Chen & Zhang, 1981 † (uncertain, unassessed)
  890. Genus Yangziichnus Yang, 1984 † (uncertain, unassessed)
  891. Genus Yanjiichnus Yao, 1987 † (uncertain, unassessed)
  892. Genus Yuanjiapingella Yue in Xing, Ding, Luo, He & Wang, 1984 † (uncertain, unassessed)
  893. Genus Yudaiella Zhang & Hua in Hua, Zhang, Zhang & Wang, 2000 † (uncertain, unassessed)
  894. Genus Yuliunia He & Xie, 1989 † (uncertain, unassessed)
  895. Genus Yunmengshanichnus Hu & Meng in Hu, Meng, Zhang & Wang, 1991 † (uncertain, unassessed)
  896. Genus Yunnanichnus Li & Yang, 1988 † (uncertain, unassessed)
  897. Genus Yunnanocaris Hou, 1999 † (uncertain, unassessed)
  898. Genus Yunnanpus Chen & Huang, 1993 † (uncertain, unassessed)
  899. Genus Zanclonychopus Sarjeant & Langston, 1994 † (uncertain, unassessed)
  900. Genus Zhadichnus Yang & Song, 1985 † (uncertain, unassessed)
  901. Genus Zhejiangorhabdion Yue & Zhao, 1993 † (uncertain, unassessed)
  902. Genus Zhurinia Missarjevsky, 1989 † (uncertain, unassessed)
  903. Genus Ziguichnus Yang, 1984 † (uncertain, unassessed)
  904. Genus Ziguivermites Chen, Xiao & Yuan, 1994 † (uncertain, unassessed)
  905. Genus Fistula Moczydłowska, 2021 † accepted as Silicofistula Moczydłowska, 2021 † (unaccepted > junior homonym)
  906. Genus Striatoconus Feng, Sun & Qian, 2000 † accepted as Stictoconus Qian & Bengtson, 1989 † (unaccepted > junior subjective synonym)
  907. Genus Tubatoconus Feng, Sun & Qian, 2000 † accepted as Ocruranus Liu, 1979 † (unaccepted > junior subjective synonym)
  908. Genus Vaveliksis Fedonkin in Velikanov & Fedonkin, 1983 † accepted as Vaveliksia Fedonkin in Velikanov & Fedonkin, 1983 † (unaccepted > misspelling, Misspelling in Nomenclator Zoologicus)
  909. Genus Ostiosphaera Yin, Sun, Reitner & Zhu, 2022 (unaccepted > unavailable name, unregistered electronic publication)
  910. Genus Poratusiramus Yi, Chen, Algeo & Feng, 2022 † (unaccepted > unavailable name, unregistered electronic publication)
  911. Genus Sphaerina Riding & Soja, 1993 † (accepted > junior homonym, unassessed)
  912. Genus Stellaria Grytsenko, 2016 † (accepted > junior homonym)
  913. Genus Yuria Grytsenko, 2016 † (accepted > junior homonym)
Not documented
Taxonomic remark Covers animal groups class through genus, unallocatable to a phylum (by any current consensus) at this time. Includes...  
Taxonomic remark Covers animal groups class through genus, unallocatable to a phylum (by any current consensus) at this time. Includes groups previously/still known as "Problematica" (or sometimes Microproblematica) in the palaeontological literature. [details]
IRMNG (2021). Animalia incertae sedis. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=263 on 2024-04-20
Date
action
by
2015-06-07 22:00:00Z
created

From other sources
Taxonomic remark Covers animal groups class through genus, unallocatable to a phylum (by any current consensus) at this time. Includes groups previously/still known as "Problematica" (or sometimes Microproblematica) in the palaeontological literature. [details]

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