Traits Taxon list
Abyssorhynchia craneana (Dall, 1895)
Abyssothyris wyvillei (Davidson, 1878)
Acanthalosia mcclungi (Briggs, 1998) †
Acanthobasiliola doederleini (Davidson, 1886)
Acanthocrania alta Cooper & Grant, 1974 †
Acanthocrania conferta Cooper & Grant, 1974 †
Acanthocrania cracentis Wright, 1963 †
Acanthocrania densispina Cooper & Grant, 1974 †
Acanthocrania elusa Cocks, 2014 †
Acanthocrania intermedia Cooper & Grant, 1974 †
Acanthocrania magna Cooper & Grant, 1974 †
Acanthocrania minutispinosa Cooper & Grant, 1974 †
Acanthocrania nordtimanica Kalashnikov, 1993 †
Acanthocrania platys Cooper & Grant, 1974 †
Acanthocrania regularis Cooper & Grant, 1974 †
Acanthocrania vasta Cooper & Grant, 1974 †
Acrobelesia cooperi (d'Hondt, 1976)
Acrobrochus blochmanni (Jackson, 1912)
Acrobrochus marotiriensis Bitner, 2007
Acrobrochus vema (Cooper, 1973)
Acrosaccus cuniculum Valentine et al., 2003 †
Acrotretella dizeugosa Valentine et al., 2006 †
Acrotretella goodridgei Valentine et al., 2003 †
Acrotretella siluriana Ireland, 1961 †
Adnatida deformis (Tate, 1880) †
Adnatida gnangarensis Richardson, 1991 †
Aemula inusitata Steinich, 1968 †
Aerothyris kerguelensis (Davidson, 1878)
Aerothyris macquariensis (Thomson, 1918)
Aetheia gualteri (Morris, 1850) †
Agulhasia davidsoni King, 1871
Agulhasia densicostata Cooper, 1988 †
Aksarinaia subtilicrusta Percival & Kruse, 2014 †
Aksarinaia triquetra Koneva, 1992 †
Alabushevothyris angusta Smirnova, 1994 †
Aldingia furculifera (Tate, 1880) †
Aldingia willemoesi (Davidson, 1878)
Aliquantula insolita (Tate, 1880) †
Aliquantula tapirina (Hutton, 1873) †
Alocorthis psygmatelos Paterson & Brock, 2003 †
Ambikella elongata (McClung & Armstrong, 1975) †
Amictocracens teres Henderson & MacKinnon, 1981 †
Amphipella arcaria Cooper & Grant, 1969 †
Amphipella attenuata Cooper & Grant, 1976 †
Amphithyris buckmani Thomson, 1918
Amphithyris cavernicola Nauendorf, Wörheide & Lüter, 2014
Amphithyris comitodentis Nauendorf, Wörheide & Lüter, 2014
Amphithyris hallettensis Foster, 1974
Amphithyris parva Mackinnon, Hiller, Long & Marshall, 2008
Amphithyris richardsonae Campbell & Fleming, 1981
Amphithyris seminula (Philippi, 1836)
Anabolotreta tegula Rowell & Henderson, 1978 †
Anakinetica breva Richardson, 1991 †
Anakinetica compta (Sowerby, 1845) †
Anakinetica cumingi (Davidson, 1852)
Anakinetica recta Richardson, 1991 †
Aneboconcha obscura Cooper, 1973
Aneboconcha smithii (Pfeffer, 1886)
Annuloplatidia annulata (Atkins, 1959)
Annuloplatidia curiosa Bitner, 2014
Annuloplatidia horni (Gabb, 1861)
Annuloplatidia indopacifica Zezina, 1981
Annuloplatidia richeri Bitner, 2009
Aperispirifer wairakiensis (Waterhouse, 1964) †
Apopentamerus clarkei Strusz, 2011 †
Archboldina micracantha (Hosking, 1933) †
Arcticalosia colemani (Archbold, 1987) †
Arcticalosia multispinifera (Prendergast, 1943) †
Arcticalosia unispinosa (Waterhouse, 1969) †
Arctitreta costellata (Clarke, 1990) †
Arctosia arctica (Friele, 1877)
Argyrotheca aequicostata Cooper, 1979 †
Argyrotheca angulata Zezina, 1987
Argyrotheca anomala Cooper, 1979 †
Argyrotheca armbrusti (Schloenbach, 1866) †
Argyrotheca australis (Blochmann, 1910)
Argyrotheca barrettiana (Davidson, 1866)
Argyrotheca bermudana Dall, 1911
Argyrotheca bermudezi Cooper, 1979 †
Argyrotheca cistellula (Wood, 1841)
Argyrotheca clevei (Davidson, 1874) †
Argyrotheca cooperi Logan & Bitner, 2013
Argyrotheca crassa Cooper, 1977
Argyrotheca cuneata (Risso, 1826)
Argyrotheca cyrtiniformis Cooper, 1979 †
Argyrotheca dalli Aldrich, 1911 †
Argyrotheca dorsata (Nielsen, 1928) †
Argyrotheca furtiva Simon, 2010
Argyrotheca grandicostata Logan, 1983
Argyrotheca hewatti Cooper, 1977
Argyrotheca hirundo (Hagenow, 1842) †
Argyrotheca inconstans Cooper, 1979 †
Argyrotheca intercalata Cooper, 1979 †
Argyrotheca jacksoni Cooper, 1973
Argyrotheca johnsoni Cooper, 1934
Argyrotheca laevis Cooper, 1988 †
Argyrotheca londinensis Elliott, 1954 †
Argyrotheca lowei Hertlein & Grant, 1944
Argyrotheca lutea (Dall, 1871)
Argyrotheca macneili Cooper, 1988 †