IRMNG Taxon list
Acetabulastoma arcticum Schornikov, 1970
Acetabulastoma californica Watling, 1972
Acetabulastoma hyperborea Schornikov, 1970
Acetabulastoma hyperboreum (Scott, 1899)
Acetabulastoma kosloffi Hart, 1971
Acetabulastoma kurilense Schornikov, 1970
Acetabulastoma littorale Schornikov, 1970
Acetabulastoma longum Schornikov, 1970
Acetabulastoma obtusatum Schornikov, 1974
Acetabulastoma rhomboideum Schornikov, 1970
Acetabulastoma rostratum Sars, 1866 accepted as Paradoxostoma rostratum Sars, 1866
Acetabulastoma striungulum Smith, 1952
Acetabulastoma subrhomboideum Schornikov, 1974
Austroparadoxostoma ventromarginalis Hartmann, 1979
Boreostoma arcticum Elofson, 1941
Boreostoma bingoense (Okubo, 1977)
Boreostoma coniforme (Kajiyama, 1913)
Boreostoma kunashiricum (Schornikov, 1974)
Boreostoma pedale (Hiruta, 1975)
Boreostoma spineum (Hiruta, 1975)
Boreostoma ussuricum (Schornikov, 1974)
Boreostoma variabile Baird, 1835
Boreostoma yatsui (Kajiyama, 1913)
Bradystoma bradyforme Schornikov & Keyser, 2004 †
Brunneostoma brunneatum (Schornikov, 1975)
Brunneostoma brunneum (Schornikov, 1974)
Brunneostoma cuneatum Schornikov & Keyser, 2004
Brunneostoma littorale Schornikov & Keyser, 2004
Calcarostoma calcaratum Schornikov & Wouters, 2004 †
Caribbella yoni (Puri, 1960) †
Cytherois arenicola Klie, 1929
Cytherois asamushiensis Ishizaki, 1971 accepted as Paracytheroma asamushiensis (Ishizaki, 1971) †
Cytherois australis Hartmann, 1989
Cytherois bonaducei McKenzie, 1967
Cytherois carcinitica Marinov
Cytherois cepa Klie, 1937
Cytherois contortellus (Swain, 1967)
Cytherois decorata Okubo, 1980
Cytherois dissimiIis McKenzie, 1967
Cytherois dissimilis McKenzie, 1967
Cytherois fischeri (Sars, 1866)
Cytherois frequens Müller, 1894
Cytherois gracilis Hartmann, 1964 accepted as Cytherois neogracilis Hartmann, 1985
Cytherois gracilis Shneider, 1949
Cytherois ikeyai Nakao & Tsukagoshi, 2002
Cytherois incongruens Müller, 1894
Cytherois joachinoi Barra, 1992
Cytherois lignincola Maddocks & Steineck, 1987
Cytherois major Hartmann, 1989
Cytherois megapoda Schornikov, 1993
Cytherois messambriensis Marinov
Cytherois minor Müller, 1908
Cytherois mutsuensis (Ishizaki, 1971)
Cytherois nakanoumiensis Ishizaki, 1969
Cytherois neogracilis Hartmann, 1985
Cytherois ovalis Müller, 1908
Cytherois paralignincola Maddocks & Steineck, 1987
Cytherois pontica Marinov, 1966
Cytherois portwelshpoolensis Hartmann, 1980
Cytherois pseudovitera Dubovski, 1939
Cytherois pusilla Sars, 1928
Cytherois stephanidesi Klie, 1938
Cytherois succinea Müller, 1894
Cytherois tosaensis (Ishizaki, 1968)
Cytherois triangularis Bonaduce, Masoli, Minichelli & Pugliese, 1979
Cytherois tubipenisfera Hartmann-Schröder & Hartmann, 1974
Cytherois uffenordei Ruggieri, 1974
Cytherois uranouchiensis Ishizaki, 1968
Cytherois valkanovi Klie, 1937
Cytherois vitrea (Sars, 1866)
Cytherois wangchieni Hu & Tao, 2008
Cytherois zosterae Schornikov, 1975
Echinositus semilunaris Schornikov, 1973
Echinositus strongylocentroti Schornikov, 1973
Flabellicytherois bingoensis Schornikov, 1993
Glyphidocythere funafutiensis (Chapman, 1910)
Lanceostoma intermedium (Müller, 1894) †
Lanceostoma parallelum (Müller, 1894) †
Lanceostoma taeniatum (Müller, 1894) †
Lanceostoma tenerifense Schornikov & Keyser, 2004 †
Neopellucistoma inflatum Ikeya & Hanai, 1982
Neopellucistoma yutani Hu & Tao, 2008
Nodoconcha minuta Hartmann, 1989
Obesostoma obesum (Schornikov, 1974)
Obesostoma setosum (Okubo, 1977)
Paracythere minima Müller, 1894
Paracytherois acuminata Müller, 1894
Paracytherois agigensis Caraion, 1963
Paracytherois angusta Zhao, 1988
Paracytherois antarctica Hartmann, 1992
Paracytherois arcuata (Brady, 1868)
Paracytherois bondi Yasuhara, Okahashi & Cronin, 2009
Paracytherois chukchiensis Joy & Clark, 1977
Paracytherois ensiforme (Brady, 1868)
Paracytherois eocaenica McKenzie, Reyment, E R & Reyment, R A, 1993
Paracytherois extensa
Paracytherois feiminga Hu & Tao, 2008
Paracytherois flexuosa (Brady, 1867)
Paracytherois levis (Muller)
Paracytherois mediterranea Bonaduce, Ciampo & Masoli, 1976