Ab
Abyssorhynchia Zezina, 1980
- Abyssorhynchia craneana (Dall, 1895)
Brachiopoda → Rhynchonellata → Rhynchonellida → Norelloidea → Frieleiidae → Hispanirhynchiinae
Abyssothyris Thomson, 1927
- Abyssothyris wyvillei (Davidson, 1878)
Brachiopoda → Rhynchonellata → Terebratulida → Dyscolioidea → Dyscolioidea → Aenigmathyridinae
Ac
†Acanthambonia Cooper, 1956
- †Acanthambonia portranensis Havlíček, 1982
Brachiopoda → Lingulata → Siphonotretida → Siphonotretoidea → Siphonotretidae
Acanthobasiliola Zezina, 1981
- Acanthobasiliola doederleini (Davidson, 1886)
Brachiopoda → Rhynchonellata → Rhynchonellida → Pugnacoidea → Basiliolidae → Acanthobasiliolinae
Acanthobasiliolinae
- Rod: Acanthobasiliola
Brachiopoda → Rhynchonellata → Rhynchonellida → Pugnacoidea → Basiliolidae
Acrobelesia Cooper, 1983
- Acrobelesia cooperi (d'Hondt, 1976)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratulidina → Dyscolioidea → Dyscoliidae → Aenigmathyridinae
Acrobrochus Cooper, 1983
- Acrobrochus blochmanni (Jackson, 1912)
- Acrobrochus marotiriensis Bitner, 2007
- Acrobrochus vema (Cooper, 1973)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratulidina → Terebratuloidea → Terebratulidae → Terebratulinae
Ad
†Adenus
Animalia → Brachiopoda → Craniata → Trimerellida
Ae
Potporodica Aenigmathyridinae
- Rodovi: Abyssothyris, Acrobelesia, Xenobrochus
Brachiopoda → Rhynchonellata → Terebratulida → Dyscolioidea → Dyscoliidae → Aenigmathyridinae
Aerothyris Allan, 1939
- Aerothyris kerguelenensis (Davidson, 1878)
- Aerothyris macquariensis (Thomson, 1918)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratelloidea → Terebratellidae → Terebratellinae
Ag
Agulhasia King, 1871
- Agulhasia davidsoni King, 1871
- Agulhasia densicostata Cooper, 1988
Brachiopoda → Rhynchonellata → Terebratulida → Cancellothyroidea → Chlidonophoridae → Agulhasiinae
Potporodica Agulhasiinae
- Rod: Agulhasia
Brachiopoda → Rhynchonellata → Terebratulida → Cancellothyroidea → Chlidonophoridae
Am
Amphithyris Thomson, 1918
- 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)
Brachiopoda → Rhynchonellata → Terebratulida → Platidioidea → Platidiidae → Platidiinae
An
Anakinetica Richardson, 1987
- Anakinetica cumingi (Davidson, 1852)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratelloidea → Terebratellidae → Anakineticinae
Potporodica Anakineticinae
- Rodovi: Anakinetica, Parakinetica
Brachiopoda → Rhynchonellata → Terebratulida → Terebratelloidea → Terebratellidae
Aneboconcha Cooper, 1973
- Aneboconcha eichleri (Allan, 1939)
- Aneboconcha obscura Cooper, 1973
- Aneboconcha smithi (Martens & Pfeffer, 1887)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratelloidea → Terebratellidae → Terebratellinae
Annuloplatidia Zezina, 1981
- Annuloplatidia annulata (Atkins, 1959)
- Annuloplatidia curiosa Bitner, 2014
- Annuloplatidia horni (Gabb, 1861)
- Annuloplatidia indopacifica Zezina, 1981
- Annuloplatidia richeri Bitner, 2009
Brachiopoda → Rhynchonellata → Terebratulida → Platidioidea → Platidiidae → Platidiinae
Ar
Arctosia Cooper, 1983
- Arctosia arctica (Friele, 1877)
Brachiopoda → Rhynchonellata → Terebratulida → Terebratuloidea → Terebratulidae → Tichosininae
Argyrotheca Dall, 1900
- Argyrotheca angulata Zezina, 1987
- Argyrotheca australis (Blochmann, 1910)
- Argyrotheca barrettiana (Davidson, 1866)
- Argyrotheca bermudana Dall, 1911
- Argyrotheca cistellula (Wood, 1841)
- Argyrotheca cooperi Logan & Bitner, 2013
- Argyrotheca crassa Cooper, 1977
- Argyrotheca cuneata (Risso, 1826)
- Argyrotheca furtiva Simon, 2010
- Argyrotheca grandicostata Logan, 1983
- Argyrotheca hewatti Cooper, 1977
- Argyrotheca jacksoni Cooper, 1973
- Argyrotheca johnsoni Cooper, 1934
- Argyrotheca lowei Hertlein & Grant, 1944
- Argyrotheca lutea (Dall, 1871)
- Argyrotheca mayi Blochmann, 1914
- Argyrotheca neocaledonensis Bitner, 2010
- Argyrotheca rubrocostata Cooper, 1977
- Argyrotheca rubrotincta (Dall, 1871)
- Argyrotheca schrammi (Crosse & Fischer, 1866)
- Argyrotheca somaliensis Cooper, 1973
- Argyrotheca thurmanni Cooper, 1973
- Argyrotheca woodwardiana (Davidson, 1866)
Brachiopoda → Rhynchonellata → Terebratulida → Megathyridoidea → Megathyrididae
Au
Porodica Aulacothyropsidae
- Podporodica Babukellinae
Brachiopoda → Rhynchonellata → Terebratulida → Terebratellidina → Kingenoidea
Aulites Richardson, 1987
- Aulites brazieri (Crane, 1886)
- Aulites crosnieri Bitner, 2009
Brachiopoda → Rhynchonelliformea → Rhynchonellata → Rhynchonellida → Dimerelloidea → Cryptoporidae