Abadehceras Bando, 1979 † (basis of record)
Abadehceras Bando, 1979 † (current name source)
Abothrodon Couto, 1944 † (verified source for family)
Abrosaurus Ouyang, 1989 † (basis of record)
Acanthobaktron Voigt, 1999 † (basis of record)
Achillobator Perle, Norell, & Clark, 1999 † (original description)
Actinolepididae Gross, 1940 † (taxonomy source)
Advena Hull, 1997 † accepted as Crucella Pessagno, 1971 † (source of synonymy)
Advena Hull, 1997 † accepted as Crucella Pessagno, 1971 † (verified source for family)
Aestilocusta J.F. Zhang, 1989 † (basis of record)
Aetosauripus Weiss, 1934 † (basis of record)
Aetosauripus Weiss, 1934 † (current name source)
Alifasciola J.F. Zhang, 1989 † (basis of record)
Alloiomma J.F. Zhang, 1989 † (basis of record)
Amorina Vermeulen, 2005 † (verified source for family)
Amorina Vermeulen, 2005 † (basis of record)
Amphirhagatherium Deperet, 1908 † (current name source)
Amphirhagatherium Deperet, 1908 † (verified source for family)
Anawasatchites McLearn, 1945 † accepted as Wasatchites Mathews, 1929 † (source of synonymy)
Anchilestes Qiu & Li, 1977 † (basis of record)
Anfuceras Zhao, Liang & Zheng, 1978 † (basis of record)
Anfuceras Zhao, Liang & Zheng, 1978 † (current name source)
Anfuceras Zhao, Liang & Zheng, 1978 † (verified source for family)
Anisocrinus Angelin, 1878 † (verified source for family)
Annatherapsidus Kuhn, 1963 † (basis of record)
Annatherapsidus Kuhn, 1963 † (current name source)
Anoplosuchus Tchudinov, 1968 † accepted as Estemmenosuchus Chudinov, 1960 † (source of synonymy)
Antarctaspididae White 1968 † (current name source)
Antarctaspis White, 1968 † (basis of record)
Antarctolepis White, 1968 † (basis of record)
Anticosticrinus Cole, Wright & Hopkins, 2025 † (verified source for family)
Apanechura J.F. Zhang, 1989 † (basis of record)
Archithelphusa Bott, 1955 † accepted as Potamon Savigny, 1816 (source of synonymy)
Arctops Watson, 1914 † (current name source)
Ardatermes Kaddumi, 2005 † (basis of record)
Ardatermes Kaddumi, 2005 † (current name source)
Areoleta J.F. Zhang, 1989 † (basis of record)
Arpadosaurus Meszoely, 1970 † (verified source for family)
Arthrochites Chen, 1982 † (current name source)
Arthrochites Chen, 1982 † (verified source for family)
Asiavorator Spassov & Lange-Badré, 1995 † (current name source)
Asiavorator Spassov & Lange-Badré, 1995 † (basis of record)
Askeatonoceras Turner, 1966 † (verified source for family)
Asqaragnostus Ergaliev & Ergaliev, 2008 † (basis of record)
Astartellopsis Beurlen, 1954 † (basis of record)
Aumelasia Sudre, 1980 † (basis of record)
Backhausina Pajaud, 1966 † (verified source for family)
Backhausina Pajaud, 1966 † (basis of record)
Bajocia Brasil, 1895 † (current name source)
Bajocia Brasil, 1895 † (verified source for family)
Balkanites Ganev, 1966 † (basis of record)
Balkanites Ganev, 1966 † (current name source)
Balkanites Ganev, 1966 † (verified source for family)
Barasaurus Piveteau, 1955 † (basis of record)
Barasaurus Piveteau, 1955 † (verified source for family)
Barynema Fraunfelter, 1973 † (current name source)
Barynema Fraunfelter, 1973 † (basis of record)
Barynema Fraunfelter, 1973 † (verified source for family)
Bascomella panis Talent, 1963 † (extant flag source)
Baurusuchidae Price, 1945. † (current name source)
Baurusuchidae Price, 1945. † (basis of record)
Baurusuchus Price, 1945 † (verified source for family)
Baurusuchus Price, 1945 † (basis of record)
Baurusuchus Price, 1945 † (current name source)
Beaumontites Browne, 1951 † accepted as Parapopanoceras Haug, 1894 † (source of synonymy)
Belleza Hull, 1997 † (taxonomy source)
Belpsylla Evans, 1944 † (current name source)
Belpsylla Evans, 1944 † (verified source for family)
Bereodes Eaton, 1867 (extant flag source)
Bienotheroides Young, 1982 † (current name source)
Bienotheroides Young, 1982 † (basis of record)
Bienotheroides Young, 1982 † (verified source for family)
Blanfordinia Reed, 1944 accepted as Cyrtorostra Branson, 1930 † (source of synonymy)
Blania Kukalová, 1964 † (basis of record)
Bolena Hull, 1997 † (verified source for family)
Brachymethoca J.F. Zhang, 1989 † (basis of record)
Brachypoda Zhang, 1989 † (verified source for family)
Brachypoda Zhang, 1989 † (basis of record)
Brnia Kukalová, 1964 † (basis of record)
Browniella Broom, 1913 † (current name source)
Bueckeburgichnus Kuhn, 1958 † accepted as Megalosauripus Lockley, Meyer & dos Santos, 2000 † (basis of record)
Bueckeburgichnus Kuhn, 1958 † accepted as Megalosauripus Lockley, Meyer & dos Santos, 2000 † (source of synonymy)
Bukobaja Ochev, 1966 † (basis of record)
Byakudansauropus Azuma & Takeyama, 1991 † (original description)
Bythomyia J.F. Zhang, 1989 † (basis of record)
Camptosaurichnus Casamiquela in Casamiquela & Fasola, 1968 † (basis of record)
Cancellisphaera Won & Iams, 2015 † (verified source for family)
Candelonus Hull, 1997 † (taxonomy source)
Candissa Hull, 1997 † accepted as Loopus Yang, 1993 † (verified source for family)
Candissa Hull, 1997 † accepted as Loopus Yang, 1993 † (source of synonymy)
Cardiolithes Qian, 1995 † (basis of record)
Cardiolithidae Qian, 1995 † (basis of record)
Carinachites Qian, 1977 † (extant flag source)
Cerasopterum Kukalová, 1964 † (basis of record)
Ceratoxodon Ameghino, 1907 † (verified source for family)
Chasmatosuchus Huene, 1940 † (basis of record)
Chasmatosuchus Huene, 1940 † (current name source)
Chlumia Kukalová, 1964 † (basis of record)
Chondrodonta Stanton, 1901 † (verified source for family)
Chondrodontidae Freneix, 1959 † (basis of record)

 Taxonomic remark

 for Annatherapsidus Kuhn, 1963 †

replacement name for Anna Amalitsky, 1922 (nec Risso, 1826) [details]

 Taxonomic remark

 for Cratotetraspinus Martins-Neto, 1997 †

replacement name for Tetraspinus Martins-Neto, 1995 (nec Boczek, 1961) [details]

 Taxonomic remark

 for Ctenosauriscus Kuhn, 1964 †

replacement name for Ctenosaurus Huene 1902 (nec Fitzinger, 1843) [details]

 Taxonomic remark

 for Cycloceras Morelet, 1881

Morelet comments on his new name Cyclosurus: "Cycloceras would have been better; but the ending derived from the ... [details]

 Taxonomic remark

 for Dicricoconus Fisher in Moore et al., 1962 †

replacement name for Heteroctenus Lyashenko, 1955 (nec Pocock, 1893) [details]

 Taxonomic remark

 for Mateuellus Deuve, 1990

replacement name for Mateuius Deuve, 1990 (nec Roudier, 1957) [details]

 Taxonomic remark

 for Microsaurops Kuhn, 1964 †

replacement name for Microsaurus Hatcher 1900 (nec Dejean, 1833) [details]

 Taxonomic remark

 for Permelania Klimaszewski, 1995 †

variant spelling in the original source [details]

 Taxonomic remark

 for Platycepsion Kuhn, 1964 †

replacement name for Platyceps Stephens 1887 (nec Blyth, 1860) [details]