Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Class Aplacophora
- Class Bivalvia
- Class Calyptoptomatida †
- Class Camerothecida
- Class Cephalopoda
- Class Cricoconarida †
- Class Gastropoda
- Subclass Neritimorpha
- Subclass Neritimorpha incertae sedis
- Subclass Vetigastropoda
- Subclass Vetigastropoda incertae sedis
- Order Acochlidiacea
- Order Acochlidioidea
- Order Allogastropoda †
- Order Anaspidea
- Order Archaeogastropoda
- Order Archaeopulmonata
- Order Architaenioglossa
- Order Architaenoglossa accepted as Architaenioglossa
- Order Basommatophora
- Order Basommatophora incertae sedis
- Order Bellerophontida †
- Order Caenogastropoda (awaiting allocation)
- Order Caenogastropoda incertae sedis
- Order Cephalaspidea
- Order Cocculiniformia
- Order Coenogastropoda incertae sedis
- Order Cylindrobullida
- Order Cyrtoneritimorpha †
- Order Docoglossa
- Order Ellobiida
- Order Eogastropoda
- Order Euomphalina †
- Order Eupulmonata incertae sedis
- Order Gastropoda (awaiting allocation)
- Order Gastropoda incertae sedis
- Order Gymnosomata
- Order Helicinoidea †
- Order Heterobranchia incertae sedis
- Order Heterostropha
- Order Heterostrophia accepted as Heterostropha
- Order Hygrophila
- Order Hypsogastropoda incertae sedis
- Order Littorinimorpha
- Order Macluritina †
- Order Mesogastropoda
- Order Mimospirida †
- Order Murchisoniina †
- Order Muricoidea
- Order Neogastropoda
- Family Acusidae Gray, 1853 accepted as Terebridae Mörch, 1852
- Family Admetidae Troschel, 1865 accepted as Cancellariidae Gray, 1853
- Family Anachidae Golikov & Starobogatov, 1972 accepted as Columbellidae Swainson, 1840
- Family Ancillariidae Swainson, 1840
- Family Babyloniidae Kuroda, Habe & Oyama, 1971
- Family Bellolividae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017
- Family Belomitridae Kantor, Puillandre, Rivasseau & Bouchet, 2012
- Family Benthobiidae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017
- Family Borsoniidae Bellardi, 1875
- Family Bouchetispiridae Kantor, Strong & Puillandre, 2012
- Family Buccinidae Rafinesque, 1815
- Family Buccinoidea (awaiting allocation)
- Family Buccinulidae Finlay, 1928 † accepted as Buccinidae Rafinesque, 1815
- Family Busyconidae Wade, 1917 (1867)
- Family Cancellariidae Gray, 1853
- Family Charitodoronidae Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018
- Family Clathurellidae H. Adams & A. Adams, 1858
- Family Clavatulidae Gray, 1853
- Family Clavidae Casey, 1904 accepted as Drilliidae Olsson, 1964
- Family Clavilithidae Vermeij & M. A. Snyder, 2018 †
- Family Clionellidae Stimpson, 1865 accepted as Clavatulidae Gray, 1853
- Family Cochlespiridae Powell, 1942
- Family Colubrariidae Dall, 1904
- Family Columbariidae Tomlin, 1928
- Family Columbellidae Swainson, 1840
- Family Cominellidae accepted as Buccinidae Rafinesque, 1815
- Family Concholepadidae Perrier, 1897 accepted as Muricidae Rafinesque, 1815
- Family Conidae Fleming, 1822
- Family Conilithidae Tucker & Tenorio, 2009 accepted as Conidae Fleming, 1822
- Family Conoidea (awaiting allocation)
- Family Conoidea incertae sedis
- Family Conorbidae de Gregorio, 1880
- Family Coralliophilidae Chenu, 1859 accepted as Muricidae Rafinesque, 1815
- Family Costellariidae MacDonald, 1860
- Family Cynodontidae MacDonald, 1860 accepted as Turbinellidae Swainson, 1840
- Family Cystiscidae Stimpson, 1865
- Family Dolicholatiridae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Drilliidae Olsson, 1964
- Family Echinofulguridae Petuch, 1994 †
- Family Eosiphonidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Fasciolariidae Gray, 1853
- Family Fusidae Iredale, 1915 † accepted as Colubrariidae Dall, 1904
- Family Granulinidae Coovert & Coovert, 1995
- Family Harpidae Bronn, 1849
- Family Horaiclavidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Johnwyattiidae †
- Family Magilidae Thiele, 1925 accepted as Muricidae Rafinesque, 1815
- Family Mangeliidae P. Fischer, 1883
- Family Marginellidae Fleming, 1828
- Genus Afriamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Afrivoluta Tomlin, 1947
- Genus Alaginella Laseron, 1957
- Genus Albamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Atlantivolva Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Austroginella Laseron, 1957
- Genus Austrovoluta Cotton, 1949 †
- Genus Balanetta Jousseaume, 1875
- Genus Bullata Jousseaume, 1875
- Genus Capensismarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Carinaginella Laseron, 1957 accepted as Alaginella Laseron, 1957
- Genus Carivolva Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Cassoginella Laseron, 1957 † accepted as Alaginella Laseron, 1957
- Genus Chryptospira Jousseaume, 1875
- Genus Cloisia
- Genus Closia Gray, 1857
- Genus Conuginella Laseron, 1957 †
- Genus Criptospira Jousseaume, 1875
- Genus Crypsospira Cossmann, 1913
- Genus Cryptospira Hinds, 1844
- Genus Cryptqspira Jousseaume, 1875
- Genus Ctenoina Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Cucumis Deshayes, 1830 accepted as Marginella Lamarck, 1799
- Genus Cypraeolina Cerulli-Irelli, 1911 † accepted as Granulina Jousseaume, 1888
- Genus Cypreolina Pallary, 1912 †
- Genus Demissa Boyer, 2016
- Genus Dentimargo Cossmann, 1899
- Genus Deviginella Laseron, 1957 accepted as Mesoginella Laseron, 1957
- Genus Duplivolva Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Eburnospira Olsson & Harbison, 1953 accepted as Dentimargo Cossmann, 1899
- Genus Eburnospira Pacaud & Le Renard, 1995 accepted as Dentimargo Cossmann, 1899
- Genus Egouana Jousseaume, 1875 accepted as Egouena Jousseaume, 1875
- Genus Egouena Jousseaume, 1875 accepted as Prunum Herrmannsen, 1852
- Genus Eguoena Jousseaume, 1875
- Genus Eratoidea Weinkauff in Martini & Chemnitz, 1879
- Genus Exiginella Laseron, 1957 †
- Genus Faba P. Fischer, 1883 accepted as Glabella Swainson, 1840
- Genus Fasciamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Gibbacousteau Espinosa & Ortea, 2013
- Genus Gibberulina Monterosato, 1884 accepted as Bullata Jousseaume, 1875
- Genus Glabella Swainson, 1840
- Genus Globella Hörnes & Auinger, 1880 accepted as Glabella Swainson, 1840
- Genus Grandamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Granulina Jousseaume, 1888
- Genus Haloginella Laseron, 1957 accepted as Serrata Jousseaume, 1875
- Genus Hiwia Marwick, 1931 †
- Genus Hyalina Schumacher, 1817
- Species Hyalina abbreviata C.B. Adams, 1850 accepted as Hyalina lactea (Kiener, 1841)
- Species Hyalina albocylindrus Lussi & G. Smith, 1999
- Species Hyalina albolineata (Orbigny, 1842) accepted as Volvarina albolineata (d'Orbigny, 1842)
- Species Hyalina avena (Kiener, 1834) accepted as Volvarina avena (Kiener, 1834)
- Species Hyalina avenacea (Deshayes, 1844) accepted as Prunum avenaceum (Deshayes, 1844)
- Species Hyalina avenella accepted as Volvarina albolineata (d'Orbigny, 1842)
- Species Hyalina borroi Espinosa & Ortea, 1998 accepted as Volvarina borroi (Espinosa & Ortea, 1998)
- Species Hyalina brocktoni (Shackleford, 1914)
- Species Hyalina californica (Tomlin, 1916) accepted as Volvarina taeniolata Mörch, 1860
- Species Hyalina chicoi Espinosa & Ortea, 1999
- Species Hyalina cineracea Dall, 1889
- Species Hyalina cotamago Yokoyama, 1922
- Species Hyalina cubensis Espinosa & Ortea, 1999
- Species Hyalina cylindrica (Sowerby II, 1846)
- Species Hyalina dearmasi Espinosa & Ortea, 2003
- Species Hyalina discors Roth, 1974
- Species Hyalina ealesae (A.W.B. Powell, 1958) accepted as Volvarina ealesae (Powell, 1958)
- Species Hyalina electrina (Sowerby III, 1892)
- Species Hyalina elusiva (Dall, 1927) accepted as Prunum torticulum (Dall, 1881)
- Species Hyalina gibberuliformis Bozzetti, 1997
- Species Hyalina gracilis C.B. Adams, 1851
- Species Hyalina helena (Thiele, 1925)
- Species Hyalina heterozona (Jousseaume, 1875) accepted as Volvarina heterozona Jousseaume, 1875
- Species Hyalina hyalina (Thiele, 1912) accepted as Volvarina hyalina (Thiele, 1912)
- Species Hyalina keenii (Marrat, 1871)
- Species Hyalina lactea (Kiener, 1841)
- Species Hyalina lucida (Marrat, 1877)
- Species Hyalina moolenbeeki Espinosa & Ortea, 2012
- Species Hyalina mustelina Angas, 1871 accepted as Serrata mustelina (Angas, 1871)
- Species Hyalina nitida (Hinds, 1844)
- Species Hyalina oscaritoi Espinosa, Moro & Ortea, 2011
- Species Hyalina pallida (Linnaeus, 1758)
- Species Hyalina parallela (Dall, 1918) accepted as Volvarina taeniolata Mörch, 1860
- Species Hyalina parvula Locard, 1898 accepted as Volvarina attenuata (Reeve, 1865)
- Species Hyalina pellucida Schumacher, 1817 accepted as Hyalina pallida (Linnaeus, 1758)
- Species Hyalina perla (Marrat, 1876)
- Species Hyalina perovula Yokoyama, 1922
- Species Hyalina puella Gould, 1861 accepted as Prunum capensis (Krauss, 1848)
- Species Hyalina redferni Espinosa & Ortea, 2002
- Species Hyalina sagamiensis Kuroda, Habe & Oyama, 1971
- Species Hyalina secalina (Philippi, 1844) accepted as Volvarina mitrella (Risso, 1826)
- Species Hyalina sowerbyi Turton, 1932
- Species Hyalina styria Dall, 1889
- Species Hyalina subtriplicata (d'Orbigny, 1842) accepted as Volvarina subtriplicata (d'Orbigny, 1842)
- Species Hyalina surcaribe Espinosa, Moro & Ortea, 2011
- Species Hyalina taeniolata (Morch, 1860) accepted as Volvarina taeniolata Mörch, 1860
- Species Hyalina tenuilabra (Tomlin, 1917) accepted as Hyalina pallida (Linnaeus, 1758)
- Species Hyalina torticula (Dall, 1881) accepted as Prunum torticulum (Dall, 1881)
- Species Hyalina vallei Espinosa & Ortea, 2002
- Species Hyalina veliei (Pilsbry, 1896) accepted as Prunum succinea (Conrad, 1846)
- Genus Hydroginella Laseron, 1957
- Genus Insulamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Kaokomarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Lataginella Laseron, 1957 †
- Genus Leptegouana Woodring, 1928 accepted as Prunum Herrmannsen, 1852
- Genus Lineamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Longinella Laseron, 1957 accepted as Dentimargo Cossmann, 1899
- Genus Marginella Lamarck, 1799
- Genus Marginellana H. Adams & A. Adams, 1853 accepted as Marginella Lamarck, 1799
- Genus Marginellarius Duméril, 1805 accepted as Marginella Lamarck, 1799
- Genus Marginelloma Cossmann, 1906 accepted as Marginellona Martens, 1904
- Genus Marginellona Martens, 1904
- Genus Marginellopsis Bavay, 1911 accepted as Pugnus Hedley, 1896
- Genus Marginellus Montfort, 1810 accepted as Marginella Lamarck, 1799
- Genus Marginilla Swainson, 1831 accepted as Marginella Lamarck, 1799
- Genus Marigordiella Espinosa & Ortea, 2010
- Genus Merovia Dall, 1921 accepted as Granulina Jousseaume, 1888
- Genus Mesoginella Laseron, 1957
- Genus Microginella Laseron, 1957 accepted as Granulina Jousseaume, 1888
- Genus Microspira Conrad, 1868
- Genus Miscrospira Woodring, 1928
- Genus Mordicamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Nataliamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Neptoginella Laseron, 1957 accepted as Hydroginella Laseron, 1957
- Genus Ovaginella Laseron, 1957
- Genus Ovulamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Pachybatron Schaufuss, 1869 accepted as Pachybathron Gaskoin, 1853
- Genus Paolaura Smriglio & Mariottini, 2001
- Genus Parvamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Phaenospira Hinds, 1844 accepted as Glabella Swainson, 1840
- Genus Pillarginella Gabriel, 1962 accepted as Hydroginella Laseron, 1957
- Genus Piperamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Plicaginella Laseron, 1957 accepted as Austroginella Laseron, 1957
- Genus Plicaustramarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Porcellana Gray, 1847 accepted as Marginella Lamarck, 1799
- Genus Porcellanella Tryon, 1882 accepted as Prunum Herrmannsen, 1852
- Genus Praeparvamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Protoginella Laseron, 1957
- Genus Prunum Herrmannsen, 1852
- Genus Prunum H. Adams & A. Adams, 1853 accepted as Prunum Herrmannsen, 1852
- Genus Pseudomarginella Maltzan, 1880 accepted as Marginella Lamarck, 1799
- Genus Pugnus Hedley, 1896
- Genus Punctamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Pusillamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Remivolva Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Rivomarginella Brandt, 1968
- Genus Roseamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Rubescamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Semidentamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Semiturriamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Senegaliamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Serrata Jousseaume, 1875
- Genus Serrataginella G. A. Coovert & H. K. Coovert, 1995 accepted as Serrata Jousseaume, 1875
- Genus Sigaluta Rehder, 1967 accepted as Marginellona Martens, 1904
- Genus Sinuginella Laseron, 1957 accepted as Mesoginella Laseron, 1957
- Genus Somaliamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Spiroginella Laseron, 1957 accepted as Mesoginella Laseron, 1957
- Genus Stazzania Sacco, 1890 †
- Genus Stromboginella Laseron, 1957 †
- Genus Tateshia Kosuge, 1986
- Genus Teresmarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Textiliamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Tridentina Ortea, 2014 accepted as Volvarina Hinds, 1844
- Genus Triginella Laseron, 1957 accepted as Alaginella Laseron, 1957
- Genus Venustamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Vittamarginella Veldsman, 2017 accepted as Marginella Lamarck, 1799
- Genus Volutella Swainson, 1831 accepted as Bullata Jousseaume, 1875
- Genus Volvaria Jousseaume, 1875 accepted as Volvarina Hinds, 1844
- Genus Volvarina Hinds, 1844
- Genus Volvarinella Habe in Kuroda, 1951 accepted as Dentimargo Cossmann, 1899
- Family Melapiidae Kantor, 1991 † accepted as Strepsiduridae Cossmann, 1901 †
- Family Melatomidae Gill, 1871 accepted as Clavatulidae Gray, 1853
- Family Melongenidae Gill, 1867
- Family Mitridae Swainson, 1831
- Family Mitrolumnidae Sacco, 1904 accepted as Mitromorphidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Mitromorphidae Bouchet, Kantor, Sysoev & Puillandre, 2011
- Family Muricidae Rafinesque, 1815
- Family Muricoidea (awaiting allocation)
- Family Nassariidae Iredale, 1916
- Family Nassidae accepted as Nassariidae Iredale, 1916
- Family Neogastropoda (awaiting allocation)
- Family Neptuneidae Stimpson, 1865 accepted as Buccinidae Rafinesque, 1815
- Family Nucellidae Salisbury, 1940 accepted as Muricidae Rafinesque, 1815
- Family Olivancillariidae Golikov & Starobogatov, 1975 accepted as Olividae Latreille, 1825
- Family Olivellidae Troschel, 1869
- Family Olividae Latreille, 1825
- Family Paladmetidae Stephenson, 1941 † accepted as Cancellariidae Gray, 1853
- Family Perissityidae Popenoe & Saul, 1987 †
- Family Peristerniidae Tryon, 1880 accepted as Fasciolariidae Gray, 1853
- Family Pervicaciidae Rudman, 1969 accepted as Terebridae Mörch, 1852
- Family Pholidotomidae †
- Family Pisaniidae Gray, 1857
- Family Pleioptygmatidae Quinn, 1989 accepted as Mitridae Swainson, 1831
- Family Pleurotomidae accepted as Turridae Swainson, 1840
- Family Prodotiidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, Clark & Bouchet, 2021
- Family Prosiphonidae Powell, 1951
- Family Pseudolividae de Gregorio, 1880
- Family Pseudomelatomidae Morrison, 1966
- Family Ptychatractidae Stimpson, 1865
- Family Purpuridae Children, 1823 accepted as Muricidae Rafinesque, 1815
- Family Pyramimitridae Cossmann, 1901
- Family Pyrenidae Suter, 1909 accepted as Columbellidae Swainson, 1840
- Family Pyrifusidae Bandel, 2000 †
- Family Raphitomidae Bellardi, 1875
- Family Rapidae Kuroda, 1941 accepted as Muricidae Rafinesque, 1815
- Family Sarganidae †
- Family Speightiidae Powell, 1942 †
- Family Strepsiduridae Cossmann, 1901 †
- Family Strictispiridae McLean, 1971
- Family Taiomidae Finlay & Marwick, 1937 †
- Family Taranteconidae Tucker & Tenorio, 2009 accepted as Conidae Fleming, 1822
- Family Terebridae Mörch, 1852
- Family Thaididae Jousseaume, 1888 accepted as Muricidae Rafinesque, 1815
- Family Thatcheriidae Powell, 1942 accepted as Raphitomidae Bellardi, 1875
- Family Trophonidae Cossman, 1903 accepted as Muricidae Rafinesque, 1815
- Family Tudiclidae Cossmann, 1901 † accepted as Turbinellidae Swainson, 1840
- Family Turbinellidae Swainson, 1840
- Family Turridae Swainson, 1840
- Family Vasidae H. Adams & A. Adams, 1853 accepted as Turbinellidae Swainson, 1840
- Family Vexillidae Thiele, 1929 accepted as Costellariidae MacDonald, 1860
- Family Volutidae Rafinesque, 1815
- Family Volutodermatidae Pilsbry & Olsson, 1954 †
- Family Volutomitridae Gray, 1854
- Family Weeksiidae Sohl, 1960 †
- Family Xancidae Pilsbry, 1922 accepted as Turbinellidae Swainson, 1840
- Family Zemiridae Iredale, 1924 accepted as Pseudolividae de Gregorio, 1880
- Order Neomphalina incertae sedis
- Order Neotaenioglossa
- Order Neritoina †
- Order Notaspidea
- Order Nudibranchia
- Order Opisthobranchia (awaiting allocation)
- Order Orthogastropoda (awaiting allocation) †
- Order Paragastropoda †
- Order Patellogastropoda
- Order Patellogastropoda incertae sedis
- Order Pleurobranchacea
- Order Pleurobranchomorpha
- Order Prosobranchia (awaiting allocation)
- Order Ptenoglossa
- Order Pulmonata (awaiting allocation)
- Order Pulmonata incertae sedis
- Order Runcinoidea
- Order Sacoglossa
- Order Sorbeoconcha
- Order Stenoglossa
- Order Stylommatophora
- Order Systellommatophora
- Order Thecosomata
- Order Tonnoidea
- Order Umbraculida
- Order Umbraculomorpha
- Class Helcionelloida †
- Class Mollusca (awaiting allocation)
- Class Mollusca incertae sedis
- Class Monoplacophora
- Class Paragastropoda †
- Class Polyplacophora
- Class Rostroconchia †
- Class Scaphopoda
- Class Stenothecoida †
- Class Tentaculita †
- Family Maikhanellidae Missarzhevsky, 1989 †
- Genus Lingulocaris Salter, 1866 †
- Genus Modiolocaris Peach in Jehu & Campbell, 1917 † accepted as Lingulocaris Salter, 1866 †
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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