Acanthochelys Gray, 1873 (basis of record)
Aceratagallia Kirkaldy, 1907 (basis of record)
Acinonyx Brookes, 1828 (basis of record)
Actissa Haeckel, 1884 (basis of record)
Actornithophilus pauliani Séguy, 1953 (basis of record)
Adarrus Ribaut, 1947 (basis of record)
Agallia Curtis, 1833 (basis of record)
Alloparasitus Berlese, 1921 accepted as Hypoaspis Canestrini, 1884 (basis of record)
Alloptes Canestrini, 1879 (basis of record)
Alloptes catharacti Mironov, 1991 (basis of record)
Alloptes crassipes (Canestrini, 1878) (basis of record)
Alloptidae Gaud, 1957 (basis of record)
Aloina Kindberg, 1882 (basis of record)
Aloina brevirostris Kindberg, 1883 (basis of record)
Amietia vertebralis (Hewitt, 1927) (basis of record)
Amphibelone Haeckel, 1862 (basis of record)
Amphidium W.P. Schimper, 1856 (basis of record)
Amphidium lapponicum (Hedw., 1801) W.P. Schimper, 1856 (basis of record)
Amphiesma Duméril & Bibron, 1854 (basis of record)
Anaceratagallia Zakhvatkin, 1946 (basis of record)
Anastrophyllaceae L. Söderström, R. De Roo & T. Hedderson, 2010 (basis of record)
Aneuraceae (basis of record)
Antarcticola Wallwork, 1967 (basis of record)
Anthelia (Dumortier) Dumortier, 1835 (basis of record)
Anthelia juratzkana (Limpr.) Trevis. (basis of record)
Antheliaceae (basis of record)
Apotriophtydeus André, 1980 (basis of record)
Arcuseries Huang, Chen, Song & Berger, 2014 (basis of record)
Atrichopsis J. Cardot, 1912 (basis of record)
Austroppia Balogh, 1983 (basis of record)
Avenzoariidae Oudemans, 1905 (basis of record)
Bakerdania Sasa, 1958 (basis of record)
Barbilophozia Loeske, 1907 (basis of record)
Barbilophozia hatcheri (A. Evans) Loeske (basis of record)
Bartramia J. Hedwig, 1801 (basis of record)
Bartramia patens Bridel, 1803 (basis of record)
Bartramia subsymmetrica Cardot, 1906 (basis of record)
Bartramiaceae (basis of record)
Basiliscus Laurenti, 1768 (basis of record)
Bourletiellidae Börner, 1913 (basis of record)
Brachioppiella Hammer, 1962 (basis of record)
Brachirus setifer (Paradice, 1927) (basis of record)
Brachythecium W.P. Schimper in Bruch, W.P. Schimper & Gümbel, 1853 (basis of record)
Brachythecium subpilosum (Hook.f. & Wilson, 1844) A. Jaeger, 1878 (basis of record)
Brephosceles Hull, 1932 (basis of record)
Bryoerythrophyllum P.C. Chen, 1941 (basis of record)
Bryoerythrophyllum recurvirostrum (Hedw., 1801) Chen Pan-Chieh, 1941 (basis of record)
Bryoerythrophyllum rubrum (Jur. ex Geh.) Chen Pan-Chieh, 1941 (basis of record)
Bryum amblyodon C. Müller, 1879 (basis of record)
Bryum archangelicum Bruch & W.P. Schimper in B.S.G., 1846 (basis of record)
Bryum argenteum Hedwig, 1801 (basis of record)
Bryum dichotomum Hedwig, 1801 (basis of record)
Bryum nivale C. Müller, 1848 (basis of record)
Bryum orbiculatifolium Cardot & Brotherus, 1923 (basis of record)
Bryum pallescens Schleicher ex Schwaegrichen, 1816 (basis of record)
Bryum pseudotriquetrum (Hewd.) P. Gaertn., B. Mey. & Scherb (basis of record)
Bucklandiella H. Roivainen, 1972 (basis of record)
Calyptocephalella Strand, 1928 (basis of record)
Calyptocephalella gayi (Duméril & Bibron, 1841) (basis of record)
Camelidae Gray, 1821 (basis of record)
Campylium (W.S. Sullivant) Mitten, 1869 (basis of record)
Campylopus introflexus (Hedw., 1801) Bridel, 1819 [1818] (basis of record)
Campylopus pyriformis (Schultz, 1819) Bridel, 1826 (basis of record)
Campylopus spiralis Dusén, 1905 (basis of record)
Campylopus vesticaulis Mitten in Melliss, 1875 (basis of record)
Capra Linnaeus, 1758 (basis of record)
Capra hircus Linnaeus, 1758 (basis of record)
Caudiverbera Laurenti, 1768 (basis of record)
Caudiverbera caudiverbera (Linnaeus, 1758) accepted as Calyptocephalella gayi (Duméril & Bibron, 1841) (basis of record)
Cephalozia (Dumortier) Dumortier, 1835 (basis of record)
Cephaloziaceae (basis of record)
Cephaloziella (Spruce) Schiffner, 1893 (basis of record)
Cephaloziellaceae (basis of record)
Ceratodon S.E. Bridel, 1826 (basis of record)
Ceratodon purpureus (Hedw., 1801) Bridel, 1826 (basis of record)
Ceratophrys ornata (Bell, 1843) (basis of record)
Ceratophysella succinea (Ginsin, 1949) (basis of record)
Cerdocyon Smith, 1839 (basis of record)
Chaetocanace Hendel, 1914 (basis of record)
Chaetodactylidae Zakhvatkin, 1941 (basis of record)
Chaetodactylus Rondani, 1866 (basis of record)
Chelacaropsis Baker, 1949 (basis of record)
Chelacaropsis moorei Baker, 1949 (basis of record)
Choeropsis Leidy, 1853 accepted as Hexaprotodon Falconer & Cautley, 1838 (basis of record)
Chorisodontium (Mitten) V.F. Brotherus in Engler & Prantl, 1924 (basis of record)
Chorisodontium aciphyllum (Hook.f. & Wilson, 1844) Brotherus, 1924 (basis of record)
Clasmatocolea Spruce, 1885 (basis of record)
Cocceupodes Thor, 1934 (basis of record)
Coleaspis Haeckel, 1881 (basis of record)
Collophidiidae Biard & Suzuki in Biard et al., 2015 (basis of record)
Collophidium Haeckel, 1887 (basis of record)
Conchopus Takagi, 1965 (basis of record)
Conostomum O. Swartz ex F. Weber & D.M.H. Mohr, 1804 (basis of record)
Conostomum magellanicum Sullivant, 1850 (basis of record)
Conostomum pentastichum (Brid., 1803) Lindberg, 1863 (basis of record)
Conraua Nieden, 1908 (basis of record)
Conraua goliath (Boulenger, 1906) (basis of record)
Conrauidae Dubois, 1992 (basis of record)
Cordulia Leach, 1815 (basis of record)
Cordulia aenea (Linnaeus, 1758) (basis of record)

 Synonymy

 for Actinia Pallas, 1766

This echinoderm genus is proposed for suppression because of its homonymy with Actinia, Linnaeus Ref. is ... [details]