Traits Taxon list
Aspiduriella dorae (Lepsius, 1878) †
Aspiduriella loricata (Goldfuss, 1833)
Aspiduriella ludeni (Hagenow, 1846) †
Aspiduriella montserratensis (Calzada & Gutiérrez, 1987) †
Aspiduriella scutellata (Blumenbach, 1804) †
Aspiduriella similis (Eck, 1865) †
Aspiduriella streichani (Kutscher, 1987) †
Asteromorpha capensis (Mortensen, 1925)
Asteromorpha koehleri (Döderlein, 1898)
Asteromorpha rousseaui (Michelin, 1862)
Asteromorpha tenax Baker, 1980
Asteronyx longifissus Döderlein, 1927
Asteronyx loveni Müller & Troschel, 1842
Asteronyx luzonicus Döderlein, 1927
Asteronyx lymani Verrill, 1899
Asteronyx niger Djakonov, 1954
Asteronyx reticulata Okanishi, Sentoku, Martynov & Fujita, 2018
Asteronyx simplex A.H. Müller, 1950 †
Asteronyx spinulosa Kutscher & Jagt, 2000 †
Asteroporpa (Asteroporpa) affinis Lütken, 1859 accepted as Asteroporpa (Asteroporpa) annulata Örsted & Lütken in Lütken, 1856
Asteroporpa (Asteroporpa) annulata Örsted & Lütken in Lütken, 1856
Asteroporpa (Asteroporpa) australiensis Clark, 1909
Asteroporpa (Asteroporpa) hadracantha H.L. Clark, 1911
Asteroporpa (Asteroporpa) lindneri A.H. Clark, 1948
Asteroporpa (Asteroporpa) pulchra H.L. Clark, 1915
Asteroporpa (Astrohelix) bellator (Koehler, 1904)
Asteroporpa (Astrohelix) indicus (Baker, 1980)
Asteroporpa (Astrohelix) koyoae Okanishi & Fujita, 2011
Asteroporpa (Astrohelix) muricatopatella Okanishi & Fujita, 2011
Asteroporpa (Astrohelix) paucidens (Mortensen, 1933)
Asteroporpa (Astrohelix) reticulata Baker, 1980
Asteroporpa affinis Lütken, 1859 represented as Asteroporpa (Asteroporpa) affinis Lütken, 1859 accepted as Asteroporpa (Asteroporpa) annulata Örsted & Lütken in Lütken, 1856
Asteroporpa annulata Örsted & Lütken in Lütken, 1856 represented as Asteroporpa (Asteroporpa) annulata Örsted & Lütken in Lütken, 1856
Asteroporpa hadracantha H.L. Clark, 1911 represented as Asteroporpa (Asteroporpa) hadracantha H.L. Clark, 1911
Asteroporpa lindneri A.H. Clark, 1948 represented as Asteroporpa (Asteroporpa) lindneri A.H. Clark, 1948
Asteroporpa pulchra H.L. Clark, 1915 represented as Asteroporpa (Asteroporpa) pulchra H.L. Clark, 1915
Asteroschema ajax A.H. Clark, 1949
Asteroschema arenosum Lyman, 1878
Asteroschema bidwillae McKnight, 2000
Asteroschema brachiatum Lyman, 1879
Asteroschema clavigerum Verrill, 1894
Asteroschema domogranulatum Nethupul, Stöhr & Zhang, 2022
Asteroschema edmondsoni A.H. Clark, 1949
Asteroschema elongatum Koehler, 1914
Asteroschema fastosum Koehler, 1904
Asteroschema flosculus Alcock, 1893
Asteroschema glaucum Matsumoto, 1915
Asteroschema hemigymnum Matsumoto, 1915
Asteroschema horridum Lyman, 1879
Asteroschema igloo Baker, 1980
Asteroschema inornatum Koehler, 1906
Asteroschema intectum Lyman, 1878
Asteroschema laeve (Lyman, 1872)
Asteroschema lissum H.L. Clark, 1939
Asteroschema migrator Koehler, 1904
Asteroschema monobactrum H.L. Clark, 1917
Asteroschema nuttingii Verrill, 1899
Asteroschema oligactes (Pallas, 1788)
Asteroschema rubrum Lyman, 1879
Asteroschema salix Lyman, 1879
Asteroschema sampadae Parameswaran & Jaleel, 2012
Asteroschema shenhaiyongshii Nethupul, Stöhr & Zhang, 2022
Asteroschema subfastosum Döderlein, 1930
Asteroschema sublaeve Lütken & Mortensen, 1899
Asteroschema sulcatum Ljungman, 1872
Asteroschema tenue Lyman, 1875
Asteroschema tubiferum Matsumoto, 1911
Asteroschema tumidum Lyman, 1879
Asteroschema vicinum Koehler, 1907
Asteroschema wrighti McKnight, 2000
Asteroschema yaeyamensis Murakami, 1944
Asterostegus maini McKnight, 2003
Asterostegus sabineae Okanishi & Fujita, 2014
Asterostegus tuberculatus Mortensen, 1933
Astracme mucronata (Lyman, 1869)
Astroboa albatrossi Döderlein, 1927
Astroboa arctos Matsumoto, 1915
Astroboa clavata (Lyman, 1861)
Astroboa ernae Döderlein, 1911
Astroboa globifera (Döderlein, 1902)
Astroboa granulatus (H.L. Clark, 1938)
Astroboa nigrofurcata Döderlein, 1927
Astroboa nuda (Lyman, 1874)
Astroboa tuberculosa Koehler, 1930
Astrobrachion adhaerens (Studer, 1884)
Astrobrachion constrictum (Farquhar, 1900)
Astrocaneum herrerai (A.H. Clark, 1919)
Astrocaneum spinosum (Lyman, 1875)
Astroceras annulatum Mortensen, 1933
Astroceras aurantiacum Stöhr, 2011
Astroceras calix Murakami, 1944
Astroceras compar Koehler, 1904
Astroceras compressum Döderlein, 1927
Astroceras coniunctum Murakami, 1944
Astroceras elegans (Bell, 1917)
Astroceras kermadecensis Baker, 1980
Astroceras mammosum Koehler, 1930
Astroceras nodosum Koehler, 1930
Astroceras paucispinum Murakami, 1944
Astroceras pergamenum Lyman, 1879