IRMNG Taxon list
Aaptotoichus Loeblich & Tappan, 1982 † (uncertain )
Abadehella Okimura & Ishii in Okimura, Ishii & Nakazawa, 1975 †
Abadehellidae Loeblich & Tappan, 1984 †
Abadehellopsis Vachard, 2019 †
Abathomphalidae Pessagno, 1967 †
Abathomphalus Bolli, Loeblich & Tappan, 1957 †
Abbottina McCulloch, 1977 accepted as Nonion de Montfort, 1808
Abditodentrix Patterson, 1985
Abditodentrix asketocomptella Patterson, 1985
Abditodentrix pseudothalmanni (Boltovskoy & Guissani de Kahn, 1981)
Abditodentrix rhomboidalis (Millett, 1899)
Abdullaevia Suleymanov, 1965 †
Abnormisphaera Tikhomirova, 1986 †
Aboderium Rhumbler, 1913 accepted as Boderia Wright, 1867
Abollifer Vørs, 1992
Abollifer prolabens Vørs, 1992
Abolliferidae Cavalier-Smith in Cavalier-Smith, Chao & Lewis, 2018
Abrardia Neumann & Damotte, 1960 †
Abuhammadina Abd-Elshafy & Ibrahim, 1990 †
Abyssalia Gooday & Holzmann, 2020
Abyssamina Schnitker & Tjalsma, 1980 †
Abyssotherma Brönnimann, Van Dover & Whittaker, 1989 †
Abyssotherma pacifica Brönnimann, Van Dover & Whittaker, 1989 †
Acaeniotyle Foreman, 1973 †
Acaeniotylopsis Kito & de Wever, 1994 † (uncertain )
Acantharea
Acantharea (awaiting allocation) (temporary name )
Acantharea (awaiting allocation) (temporary name )
Acantharia accepted as Acantharea [Class: Acantharia]
Acantharia Quenstedt, 1881 (uncertain ) [Class: Acantharea]
Acanthobotrys Popofsky, 1913 (uncertain )
Acanthochiasma Krohn in Haeckel, 1861
Acanthochiasma fusiforme Haeckel, 1861
Acanthochiasmidae Haeckel, 1862
Acanthochisma accepted as Acanthochiasma Krohn in Haeckel, 1861
Acanthocircularis Vishnevskaya, 2021 †
Acanthocircus Squinabol, 1903 †
Acanthocolla Schewiakoff, 1926
Acanthocollidae Schewiakoff, 1926
Acanthocorallium Haeckel, 1887 (uncertain )
Acanthocoronium Haeckel, 1887 (uncertain )
Acanthocorys Haeckel, 1881
Acanthocorys umbellifera Haeckel, 1862
Acanthocorythium Haeckel, 1887 (uncertain )
Acanthocyrtha (uncertain )
Acanthocyrtis Haeckel, 1881 (uncertain ) [Family: Radiolaria (awaiting allocation)]
Acanthocyrtis Haeckel, 1887 accepted as Phormostichoartus Campbell, 1951 [Family: Artostrobiidae]
Acanthocystis Haeckel, 1887 (unaccepted )
Acanthodesma Zittel, 1876 † accepted as Acanthodesmia Müller, 1857
Acanthodesmia Müller, 1857
Acanthodesmia vinculata Mueller, 1858
Acanthodesmia viniculata (Mueller) Mueller, 1858 accepted as Acanthodesmia vinculata Mueller, 1858
Acanthodesmiidae Hertwig, 1879 accepted as Trissocyclidae Haeckel, 1881
Acantholithium Haeckel, 1887
Acantholithium dicopum Haeckel, 1887
Acantholithium stellatum Haeckel, 1887
Acantholoncha (uncertain )
Acantholonche Haeckel, 1881 (uncertain )
Acantholus Schuler & Brown in Schuler et al., 2018
Acanthometra J. Müller, 1855
Acanthometra pellucida Müller, 1858
Acanthometrella Haeckel, 1887 (uncertain )
Acanthometridae Haeckel, 1887
Acanthometron Haeckel, 1887
Acanthometron elastricum
Acanthometron pellucida Mueller, 1856
Acanthonarium Haeckel, 1887 (uncertain )
Acanthonia Haeckel, 1881 (uncertain )
Acanthonidium Haeckel, 1887
Acanthoperla Cavalier-Smith in Cavalier-Smith & Chao, 2012
Acanthoperlidae Cavalier-Smith in Cavalier-Smith & Chao, 2012
Acanthoplegma (uncertain )
Acanthoplegma krohni
Acanthoplegmatidae accepted as Acanthoplegmidae Schewiakoff, 1926
Acanthoplegmidae Schewiakoff, 1926
Acanthoptera Popofsky, 1904 (accepted > junior homonym)
Acanthopyle Vinassa de Regny, 1898 †
Acanthosphaera Ehrenberg, 1858
Acanthosphaera actinota Haeckel, 1860
Acanthosphaera acufera Haeckel, 1860
Acanthosphaera castanea Haeckel, 1887
Acanthosphaera dodecastyla Mast, 1910
Acanthosphaera pinchuda Boltovskoy, 1980
Acanthosphaera tenuis Haeckel, 1887
Acanthosphaera tenuissima accepted as Acanthosphaera actinota Haeckel, 1860
Acanthosphaera tunis Haeckel accepted as Acanthosphaera tenuis Haeckel, 1887
Acanthospira Reinsch, 1877 (unaccepted > nomen nudum )
Acanthospira Schewiakoff, 1926 (uncertain )
Acanthostaurus Haeckel, 1862
Acanthostaurus nordgaardi
Acantometra Wesenberg-Lund, 1904 accepted as Acanthometra J. Müller, 1855
Acarinina Subbotina, 1953 †
Acarotrochus Kawagata, 2005
Acarotrochus lobulatus Kawagata, 2005
Acastea Yang, 1993 †
Accordiella Farinacci, 1962 †
Acerahedrina Vinassa de Regny, 1900 †
Acerocanium Vinassa de Regny, 1900 †
Acervoschwagerina Hanzawa, 1949 †
Acervulina Schultze, 1854