• Crassatella Lamarck, 1799
• Crassatella (Bathytormus) R. B. Stewart, 1930 accepted as Bathytormus R. B. Stewart, 1930
• Crassatella (Bathytormus) cipita (Berezovsky, 1998) † accepted as Bathytormus cipitis Berezovsky, 1998 †
• Crassatella (Bathytormus) ignava Berezovsky, 2022 † accepted as Bathytormus ignavus (Berezovsky, 2022) †
• Crassatella (Bathytormus) ruellensis Glibert & van de Poel, 1970 † accepted as Bathytormus ruellensis (Glibert & van de Poel, 1970) †
• Crassatella (Bathytormus) sulcata (Solander, 1766) † accepted as Bathytormus sulcatus (Solander, 1766) †
• Crassatella (Crassatella) Lamarck, 1799 represented as Crassatella Lamarck, 1799
• Crassatella (Crassatella) duplex Berezovsky, 2004 † represented as Crassatella duplex Berezovsky, 2004 †
• Crassatella (Crassatella) hellica A. d'Orbigny, 1850 † represented as Crassatella hellica A. d'Orbigny, 1850 †
• Crassatella (Crassatella) lassa Berezovsky, 2022 † represented as Crassatella lassa Berezovsky, 2022 †
• Crassatella (Crassatella) necopina Berezovsky, 2018 † represented as Crassatella necopina Berezovsky, 2018 †
• Crassatella (Crassatella) parisiensis A. d'Orbigny, 1850 † represented as Crassatella parisiensis A. d'Orbigny, 1850 †
• Crassatella (Crassatella) parisiensis duplex Berezovsky, 2004 † accepted as Crassatella duplex Berezovsky, 2004 †
• Crassatella (Crassatella) personata Berezovsky, 2018 † represented as Crassatella personata Berezovsky, 2018 †
• Crassatella (Crassatella) singulata Berezovsky, 2018 † represented as Crassatella singulata Berezovsky, 2018 †
• Crassatella (Crassatina) Kobelt, 1881 accepted as Crassatina Kobelt, 1881
• Crassatella (Crassatina) concentrica Dujardin, 1837 † accepted as Crassatella concentrica Dujardin, 1837 †
• Crassatella (Crassatina) concentrica var. angulornata Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. elongatula Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. latesulcata Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. producata Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. pseudotrigona Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. semilaevis Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) concentrica var. taurolaevis Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) contraria (Gmelin, 1791) accepted as Crassatina contraria (Gmelin, 1791)
• Crassatella (Crassatina) contraria var. coccinea Dautzenberg, 1891 accepted as Crassatina contraria (Gmelin, 1791)
• Crassatella (Crassatina) crispata Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) problematica (Michelotti, 1861) † (uncertain > unassessed)
• Crassatella (Crassatina) problematica var. perugosella Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Crassatina) sulcata (Solander, 1766) † accepted as Bathytormus sulcatus (Solander, 1766) †
• Crassatella (Crassatina) sulcata var. oblita Sacco, 1899 † (uncertain > unassessed)
• Crassatella (Landinia) Chavan, 1952 † accepted as Crassatella Lamarck, 1799
• Crassatella (Landinia) landinensis Nyst, 1845 † accepted as Crassatella landinensis Nyst, 1845 †
• Crassatella (Pachythaerus) Conrad, 1869 † accepted as Crassatella Lamarck, 1799
• Crassatella (Pachythaerus) carolinensis Conrad, 1875 † accepted as Crassatella carolinensis Conrad, 1875 †
• Crassatella (Pachythaerus) collignoni Freneix, 1972 † accepted as Crassatella collignoni Freneix, 1972 †
• Crassatella (Pachythaerus) collignoni subtealli Freneix, 1972 † accepted as Crassatella collignoni subtealli Freneix, 1972 †
• Crassatella (Pachythaerus) densicostata Berezovsky, 1998 † accepted as Crassatella densicostata Berezovsky, 1998 †
• Crassatella (Pachythaerus) gibbosula Lamarck, 1805 † accepted as Crassatella gibbosula Lamarck, 1805 †
• Crassatella (Pachythaerus) manifesta Berezovsky, 1998 † accepted as Crassatella manifesta Berezovsky, 1998 †
• Crassatella (Pachythaerus) sponsa Berezovsky, 1998 † accepted as Crassatella sponsa Berezovsky, 1998 †
• Crassatella (Pachythaerus) vindinnensis (A. d'Orbigny, 1844) † (uncertain > unassessed)
• Crassatella (Pseuderiphyla) P. Fischer, 1887 † accepted as Crassinella Guppy, 1874
• Crassatella (Pseuderiphyla) wemmelensis Vincent, 1898 † accepted as Crassatina wemmelensis (Vincent, 1898) †
• Crassatella (Riosatella) H. E. Vokes, 1973 accepted as Riosatella H. E. Vokes, 1973
• Crassatella (Riosatella) brasiliensis (Dall, 1903) accepted as Riosatella brasiliensis (Dall, 1903)
• Crassatella (Riosatella) riograndensis H. E. Vokes, 1973 accepted as Riosatella uruguayensis (E. A. Smith, 1880)
• Crassatella (Rochella) Freneix, 1972 †
• Crassatella (Rochella) diourii Freneix, 1972 †
• Crassatella (Rochella) diourii diourii Freneix, 1972 †
• Crassatella (Rochella) diourii rhouibana Freneix, 1972 †
• Crassatella (Rochella) edouardrochi Freneix, 1972 †
• Crassatella (Sublandinia) Freneix, 1972 †
• Crassatella (Sublandinia) ennadifii Freneix, 1972 †
• Crassatella abbreviata Tate, 1886 † accepted as Salaputium abbreviatum (Tate, 1886) †
• Crassatella abrupta G. B. Sowerby III, 1904 accepted as Chattina abrupta (G. B. Sowerby III, 1904)
• Crassatella acuminata G. B. Sowerby III, 1890 accepted as Crenocrassatella sowerbyi (E. Lamy, 1917) accepted as Crassatella rubrolineata Turton, 1932
• Crassatella acuminata Kobelt, 1885 accepted as Bathytormus acuminatus (Kobelt, 1885)
• Crassatella acutangula Bellardi, 1852 †
• Crassatella adamsi Kobelt, 1886 accepted as Nipponocrassatella adamsi (Kobelt, 1886)
• Crassatella adelinae Tryon, 1872 accepted as Eucrassatella antillarum (Reeve, 1842) accepted as Kalolophus antillarum (Reeve, 1842)
• Crassatella aequatorialis (Jaeckel & Thiele, 1931)
• Crassatella africana G. B. Sowerby III, 1904 accepted as Crassatella capensis E. Lamy, 1917
• Crassatella africana Marrat, 1878 accepted as Crassatina contraria (Gmelin, 1791)
• Crassatella alaeformis Conrad, 1830 † (uncertain > unassessed)
• Crassatella alata K. Martin, 1885 † accepted as Nuculana martini H. J. Finlay, 1927 †
• Crassatella allonsensis Boussac, 1911 † (uncertain > unassessed)
• Crassatella alta Conrad, 1832 †
• Crassatella altaspissus (Woodring, 1925) †
• Crassatella amouranensis Rochebrune, 1882 †
• Crassatella ampla Zittel, 1865 † accepted as Eucrassatella ampla (Zittel, 1865) †
• Crassatella amputata K. Martin, 1885 †
• Crassatella ancellensis Boussac, 1911 †
• Crassatella andrewsi (J. Henderson, 1934) †
• Crassatella angolensis Nicklès, 1955 accepted as Crassatina corrugata (A. Adams & Reeve, 1850)
• Crassatella angulata G. B. Sowerby III, 1904 accepted as Crassatella crebrilirata G. B. Sowerby II, 1870
• Crassatella angusta Doncieux, 1911 †
• Crassatella angustior Verco, 1907 accepted as Talabrica angustior (Verco, 1907)
• Crassatella antestriata Gabb, 1860 †
• Crassatella antillarum Reeve, 1842 accepted as Kalolophus antillarum (Reeve, 1842)
• Crassatella antillarum var. floridana Dall, 1881 accepted as Eucrassatella speciosa (A. Adams, 1854) accepted as Kalolophus speciosus (A. Adams, 1854)
• Crassatella aphrodina Tenison Woods, 1876 † accepted as Eucrassatella oblonga (Tenison Woods, 1876) †
• Crassatella apolloniensis Cox, 1952 †
• Crassatella aquiana Clark, 1895 †
• Crassatella arcacea F. A. Roemer, 1841 †
• Crassatella archiaci Bellardi, 1852 †
• Crassatella archiaci Tournouër, 1873 † (accepted > unreplaced junior homonym)
• Crassatella astarteiformis Nyst, 1847 †
• Crassatella astartiformis Tate, 1886 † accepted as Salaputium communis (Tate, 1896) †
• Crassatella attenuata F. W. Hutton, 1873 † accepted as Eucrassatella ampla (Zittel, 1865) †
• Crassatella aurora A. Adams & Angas, 1864 accepted as Talabrica aurora (A. Adams & Angas, 1864)
• Crassatella baicherei Doncieux, 1911 †
• Crassatella banksii A. Adams & Angas, 1864 accepted as Talabrica bellula (A. Adams, 1854)
• Crassatella bellovacina Deshayes, 1850 †
• Crassatella bellula A. Adams, 1854 accepted as Talabrica bellula (A. Adams, 1854)
• Crassatella berryi (Spieker, 1922) † accepted as Hybolophus berryi (Spieker, 1922) †
• Crassatella bertrandi Boussac, 1911 † (uncertain > unassessed)
• Crassatella bockschii Geinitz, 1843 †
• Crassatella branneri (Waring, 1914) †
• Crassatella brasiliensis (Dall, 1903) accepted as Riosatella brasiliensis (Dall, 1903)