CaRMS Taxon list
"Lower Heterobranchia"
Aartsenia Warén, 1991
Aartsenia candida (Møller, 1842)
Aberranta Hartman, 1965
Aberranta enigmatica Hartman, 1965
Aberrantidae Wolf, 1987
Aberrantospermata Jondelius, Wallberg, Hooge & Raikova, 2011
Abietinaria Kirchenpauer, 1884
Abietinaria abietina (Linnaeus, 1758)
Abietinaria filicula (Ellis & Solander, 1786)
Abietinaria kincaidi (Nutting, 1901)
Abietinaria pulchra (Nutting, 1904)
Abietinaria turgida (Clark, 1877)
Ablennes Jordan & Fordice, 1887
Ablennes hians (Valenciennes, 1846)
Abludomelita Karaman, 1981
Abludomelita amoena (Hansen, 1888)
Abludomelita obtusata (Montagu, 1813)
Aborjinia Özdikmen, 2010
Aborjinia corallicola Westerman, de Moura Neves, Ahmed & Holovachov, 2021 accepted as Paraborjinia corallicola (Westerman, de Moura Neves, Ahmed & Holovachov, 2021) Zograf, Semenchenko & Mordukhovich, 2024
Abothrium Van Beneden, 1870
Abothrium gadi Van Beneden, 1870
Abra Lamarck, 1818
Abra americana A. E. Verrill & K. J. Bush, 1898
Abra lioica (Dall, 1881)
Abra longicallus (Scacchi, 1835)
Abra longicallus americana A. E. Verrill & K. J. Bush, 1898 accepted as Abra americana A. E. Verrill & K. J. Bush, 1898
Abudefduf Forsskål, 1775
Abudefduf saxatilis (Linnaeus, 1758)
Abudefduf sexfasciatus (Lacepède, 1801)
Acalyptrata
Acanella Gray, 1870
Acanella arbuscula (Johnson, 1862)
Acantharia
Acanthephyra A. Milne-Edwards, 1881
Acanthephyra acutifrons Spence Bate, 1888
Acanthephyra eximea Smith, 1884 accepted as Acanthephyra eximia Smith, 1884
Acanthephyra eximia Smith, 1884
Acanthephyra pelagica (Risso, 1816)
Acanthephyra purpurea A. Milne-Edwards, 1881
Acanthephyridae Spence Bate, 1888
Acanthobothrium Blanchard, 1848
Acanthobothrium coronatum (Rudolphi, 1819) Blanchard, 1848
Acanthocardia J. E. Gray, 1851
Acanthocardia echinata (Linnaeus, 1758)
Acanthocardiini Kafanov & Starobogatov, 1977
Acanthocarpus Stimpson, 1871
Acanthocarpus alexandri Stimpson, 1871
Acanthocephala
Acanthochaenus Gill, 1884
Acanthochaenus luetkenii Gill, 1884
Acanthocheilidae Wülker, 1929
Acanthocheilinae Wülker, 1929 accepted as Acanthocheilidae Wülker, 1929
Acanthocheilus Molin, 1858
Acanthocheilus rotundatus (Rudolphi, 1819)
Acanthochitonina
Acanthochondria Oakley, 1930
Acanthochondria cornuta (Müller O.F., 1776)
Acanthocolpidae Lühe, 1906
Acanthocorbis S.Hara & E.Takahashi, 1984
Acanthocorbis apoda (Leadbeater) Hara & Takahashi, 1984
Acanthocotyle Monticelli, 1888
Acanthocotyle verrilli Goto, 1899
Acanthocotyle williamsi Price, 1938
Acanthocotylidae Monticelli, 1903
Acanthocybium Gill, 1862
Acanthocybium solandri (Cuvier, 1832)
Acanthocyclops Kiefer, 1927
Acanthocyclops vernalis (Fischer, 1853) represented as Acanthocyclops vernalis vernalis (Fischer, 1853)
Acanthocyclops vernalis vernalis (Fischer, 1853)
Acanthocythereis Howe, 1963
Acanthocythereis dunelmensis (Norman, 1865) accepted as Actinocythereis dunelmensis (Norman, 1865)
Acanthodoris J. E. Gray, 1850
Acanthodoris pilosa (Abildgaard, 1789)
Acanthodoris subquadrata (Alder & Hancock, 1845) accepted as Acanthodoris pilosa (Abildgaard, 1789)
Acanthoecida
Acanthoecidae Norris, 1965
Acanthoecidae [Tectiform] (temporary name )
Acanthogorgia Gray, 1857
Acanthogorgia armata Verrill, 1878
Acanthogorgiidae Gray, 1859
Acanthohaustorius Bousfield, 1965
Acanthohaustorius intermedius Bousfield, 1965
Acanthohaustorius millsi Bousfield, 1965
Acanthoica Lohmann, 1902
Acanthoica monospina J.Schiller, 1925
Acantholiparis Gilbert & Burke, 1912
Acantholiparis opercularis Gilbert & Burke, 1912
Acanthomysis Czerniavsky, 1882
Acanthomysis davisi Banner, 1948 accepted as Exacanthomysis davisi (Banner, 1948)
Acanthomysis macropsis (Tattersall, 1932) accepted as Alienacanthomysis macropsis (W. Tattersall, 1932)
Acanthomysis nephrophthalma Banner, 1948 accepted as Pacifacanthomysis nephrophthalma (Banner, 1948)
Acanthomysis pseudomacropsis (Tattersall, 1933) accepted as Xenacanthomysis pseudomacropsis (W. Tattersall, 1933)
Acanthomysis sculpta (W. Tattersall, 1933) accepted as Holmesimysis sculpta (W. Tattersall, 1933)
Acanthonia Haeckel, 1881
Acanthonia echinoides (Claparède & Lachmann, 1858) Haeckel, 1881
Acanthonida
Acanthonotozoma Boeck, 1876
Acanthonotozoma cristatum (Ross, 1835)
Acanthonotozoma inflatum (Krøyer, 1842)