IRMNG Taxon list
Aalenirhynchia Shi & Grant, 1993 †
Aberia Melou, 1990 †
Abramovia Baranov in Alekseeva, Sidjachenko, Baranov, Afanaseva, Grunt, Komarov, Lazarev & Manankov, 1996 †
Abramovispirifer Baranov & Alkhovik, 2005 †
Abrekia Dagis, 1974 †
Abyssorhynchia Zezina, 1980
Abyssorhynchia craneana (Dall, 1895)
Abyssothyris Thomson, 1927
Abyssothyris atlantica Cooper, 1977 accepted as Abyssothyris wyvillei (Davidson, 1878)
Abyssothyris elongata Cooper, 1972 accepted as Abyssothyris wyvillei (Davidson, 1878)
Abyssothyris parva Cooper, 1977 accepted as Abyssothyris wyvillei (Davidson, 1878)
Abyssothyris wyvillei (Davidson, 1878)
Acambona White, 1862 †
Acanthobasiliola Zezina, 1981
Acanthobasiliola doederleini (Davidson, 1886)
Acanthoglypha Williams & Curry, 1985 †
Acanthorhynchia Buckman, 1914 † accepted as Acanthorhynchia Buckman, 1917 †
Acanthorhynchia Buckman, 1917 †
Acanthorthis Neuman, 1976 †
Acanthospira Weller, 1914 † accepted as Acanthospirina Schuchert & Le Vene, 1929 †
Acanthospirifer Menakova, 1964 †
Acanthospirina Schuchert & Le Vene, 1929 †
Acanthothirididae †
Acanthothiris d'Orbigny, 1850 †
Acanthothiris spinosa Linnaeus, 1788 †
Acanthothyris Bronn, 1862 † accepted as Acanthothiris d'Orbigny, 1850 † [Family: Acanthothirididae]
Acanthothyris Paetel, 1875 † accepted as Acanthothiris d'Orbigny, 1850 † [Family: Rhynchonellidae]
Acanthothyropsis Kamyshan in Kamyshan & Babanova, 1973 †
Acanthotnyropsis Kamyshan in Kamyshan & Babanova, 1973 † accepted as Acanthothyropsis Kamyshan in Kamyshan & Babanova, 1973 †
Acaretyrricula Jin & Chatterton, 1997 †
Acolosia Cooper & Grant, 1976 †
Acosarina Cooper & Grant, 1969 †
Acosarina minuta (Abich) †
Acrobelesia Cooper, 1983 †
Acrobelesia cooperi (d'Hondt, 1976) †
Acrobrochus Cooper, 1983
Acrobrochus blochmanni (Jackson, 1912)
Acrobrochus hendleri (Cooper, 1982) accepted as Acrobrochus vema (Cooper, 1973)
Acrobrochus landonensis (Thomson, 1918)
Acrobrochus marotiroensis Bitner, 2007
Acrobrochus vema (Cooper, 1973)
Acrospirifer Helmbrecht & Wedekind, 1923 †
Acrospirifer Wedekind in Salamon, 1926 †
Acrospirifer concinnus †
Acrospirifer murchisoni †
Acrospiriferidae †
Acrothyris Hou, 1963 †
Actinoconchus M'Coy in Griffith, 1842 † accepted as Actinoconchus M'Coy, 1844 †
Actinoconchus M'Coy, 1844 †
Actinoconchus planosulcata (Phillips, 1836) †
Actinomya Carus in Carus & Gerstaecker, 1875 † accepted as Antinomia Catullo, 1851 †
Acuminothyris Roberts, 1963 †
Acutatheca Stainbrook, 1945 †
Acutella Lyashenko, 1973 †
Acutoria Cooper & Dubro, 1982 †
Adaptatrypa Struve, 1980 †
Adminiculoria Waterhouse & Gupta, 1979 †
Adnatida Richardson, 1991 †
Adnatida deformis (Tate, 1880) †
Adolfia Gürich, 1909 † (unaccepted )
Adolfia deflexus (Roemer, 1843) †
Adolfia delflexus (Roemer, 1843) †
Adolfia glypta Talent, 1963 †
Adolfiidae †
Adolfispirifer Krylova, 1962 †
Adrenia Chatterton, 1973 †
Advenina Sandy, 1986 †
Adventochoristites Poletaev, 2012 †
Adygella Dagys, 1959 †
Adygelloides Dagys, 1959 †
Adygellopsis Sun & Shi in Jin, Wang, Sun & Shi, 1985 †
Aegironetes Havlicek, 1967 † (uncertain )
Aegironites † accepted as Aegironetes Havlicek, 1967 †
Aemula Steinich, 1968 †
Aenigmastricklandia Ziegler, 1966 †
Aenigmastrophia Boucot, 1971 †
Aenigmastrophiidae †
Aenigmathyris Cooper, 1971 †
Aequalicosta Waterhouse, 2004 † (uncertain )
Aequispiriferina Yang & Yin, 1962 †
Aerothyris Allan, 1939
Aerothyris eichleri Allan, 1939 accepted as Aneboconcha eichleri (Allan, 1939)
Aerothyris kerguelenensis (Davidson, 1878)
Aerothyris macquariensis (Thomson, 1918)
Aetheia Thomson, 1915 †
Aethirhynchia Shi, 1992 †
Afghanospirifer Plodowski, 1968 †
Afilasma Stehli, 1961 †
Agarhyncha Havlicek, 1982 †
Agastapleura Xu, 1978 †
Agerinella Pajaud & Patrulius, 1965 †
Agulhasia King, 1871
Agulhasia davidsoni King, 1871
Agulhasia densicostata Cooper, 1988
Aidynkulirhynchia Ovtsharenko, 1983 †
Aikarhyncha Havlicek, 1990 †
Aikarhyncha praecox (Barrande, 1879) †
Ajukuzella Ovtsharenko, 1983 †
Akopovorhynchia Smirnova, 1990 †
Ala Nalivkin, 1979 †