IRMNG Taxon list
Aahithis Schallreuter, 1988 †
Aaleniella Plumhoff, 1963 †
Aalenilla Phemhoff, 1963 † accepted as Aaleniella Plumhoff, 1963 †
Aalolana accepted as Aatolana Bruce, 1993
Aalolana rapax Bruce, 1993 (unaccepted )
Aaptolasma Newman & Ross, 1971 accepted as Hexelasma Hoek, 1913
Aaptolasma americana (Pilsbry, 1916)
Aaptolasma brintoni Newman & Ross, 1971
Aaptolasma callistoderma (Pilsbry, 1911)
Aaptolasma fosteri (Newman & Ross, 1971)
Aaptolasma leptoderma Newman & Ross, 1971
Aaptolasma nolearia Foster, 1978
Aaptolasma triderma Newman & Ross, 1971
Aatolana Bruce, 1993
Aatolana rapax Bruce, 1993
Aatolana schioedtei (Miers, 1884)
Aatolana springthorpei Keable, 1998
Abacola Edwards, 1891 accepted as Metis Philippi, 1843
Abacola holothuriae Edwards, 1891 accepted as Metis holothuriae (Edwards, 1891)
Abagaqiella Wu, 1986 † (uncertain )
Abasia Wilson, 1908
Abasia inflata Cressey & Cressey, 1979
Abasia pillaii Cressey & Cressey, 1979
Abasia platyrostris Pillai, 1963
Abasia pseudorostris C.B. Wilson, 1908
Abasia pusilla Cressey & Cressey, 1979
Abasia tripartita (Shiino, 1955)
Abathescalpellum Newman & Ross, 1971
Abathescalpellum fissum (Hoek, 1907)
Abathescalpellum koreanum (Hiro, 1933)
Abcandona Karanovic, 2004 accepted as Candonopsis Vávra, 1891
Abcandonopsis Karanovic, 2004 accepted as Candonopsis Vávra, 1891
Abdia Barnard & Karaman, 1987
Abdia barnardi accepted as Abdia latipalpus (Walker & Scott, 1903)
Abdia latipalpus (Walker & Scott, 1903)
Abdiacyclops Karanovic, 2005
Abdiacyclops cirratus Karanovic, 2005
Abditacythere Hartmann, 1964
Abditacythere subterranea Hartmann, 1964
Abditoloculina Kesling, 1952 †
Abebaioscia Vandel, 1973
Abebaioscia troglodytes Vandel, 1973
Abergasilis accepted as Abergasilus Hewitt, 1978
Abergasilis amplexus Hewitt, 1978 (unaccepted )
Abergasilus Hewitt, 1978
Abergasilus amplexus Hewitt, 1978
Aberomysis Bacescu & Iliffe, 1986
Aberomysis muranoi Bacescu & Iliffe, 1986
Aberratylus Bousfield & Kendall, 1994
Aberratylus aberrantis (J.L. Barnard, 1962)
Aberroconcha Adamczak, 1961 † (uncertain )
Abludogammarus G. Karaman, 1980
Abludomelita Karaman, 1981
Abludomelita abyssorum
Abludomelita aculeata (Chevreux, 1911)
Abludomelita amoena (Hansen, 1888)
Abludomelita awa
Abludomelita californica
Abludomelita denticulata (Nagata, 1965)
Abludomelita desdichada
Abludomelita festiva
Abludomelita flavys
Abludomelita formosa
Abludomelita gladiosa (Bate, 1862)
Abludomelita inaequistylis
Abludomelita japonica (Nagata, 1965)
Abludomelita kodiakensis
Abludomelita lignophila
Abludomelita machaera
Abludomelita matilda
Abludomelita mucronata (Griffiths, 1975)
Abludomelita oba
Abludomelita obtusata (Montagu, 1813)
Abludomelita oxyura accepted as Abludomelita aculeata (Chevreux, 1911)
Abludomelita reidi
Abludomelita richardi (Chevreux, 1900)
Abludomelita rylovae
Abludomelita semipalmata G. Karaman, 1984
Abludomelita sexstachya (Gamo, 1977)
Abludomelita somovae (Bulycheva, 1952)
Abludomelita tuberculata (Nagata, 1965)
Abludomelita unamoena (Hirayama, 1987)
Abludomelita valesi
Abludomelita valida Shoemaker, 1955
Abnitocrella Karanovic, 2006
Abnitocrella eberhardi Karanovic, 2006
Abnitocrella halsei Karanovic, 2006
Abnitocrella newmanensis Karanovic, 2006
Aboilia Becker & Adamczak, 1993 † (uncertain )
Abormon Mitra, Pati & Ng, 2021
Aborolobatea Ledoyer, 1984
Aborolobatea insidiosa Hughes & Lowry, 2009
Aborolobatea paracheliformis Ledoyer, 1984
Abortivelum Berdan & Copeland, 1973 †
Abrestheria Wang, 1981 † (uncertain )
Abrobairdia Chen in Chen & Shi, 1982 †
Abrocythereis Gou in Gou, Zheng & Huang, 1983 †
Abrocythereis feishania Hu & Tao, 2008 †
Abrocythereis guangdongensis Gou, 1983 †
Abrocythereis punctata (Hu, 1986) †