Capulus is a genus of small sea snails, marine gastropod mollusks in the family Capulidae, the cap snails.
Species within the genus Capulus include:
Capulus californicus Dall, 1900
Capulus compressus E. A. Smith, 1891
Capulus corrugatus (extinct/fossil)
Capulus danieli (Crosse, 1858)
Capulus devexus (May, 1916)
Capulus devotus Hedley, 1904
Capulus elegans (Tapparone Canefri, 1877)
Capulus fragilis E. A. Smith, 1904
Capulus huangi S.-I Huang & Y.-F. Huang, 2012
Capulus japonicus A. Adams, 1861
Capulus ngai Thach, 2016
Capulus novaezelandiae Dell, 1978
Capulus sericeus J. Burch & R. Burch, 1961
Capulus simplex Locard, 1898
Capulus subcompressus Pelseneer, 1903
Capulus ungaricoides (d'Orbigny, 1841)
Capulus ungaricus (Linnaeus, 1758)
Capulus violaceus Angas, 1867
Species brought into synonymy
Capulus badius Dunker, 1882: synonym of Amathina violacea (Angas, 1867)
Capulus bicarinatus (Pease, 1861a): synonym of Amathina bicarinata Pease, 1861
Capulus chilensis Dall, 1904: synonym of Capulus ungaricoides (d'Orbigny, 1841)
Capulus dilatatus A. Adams, 1860-i: synonym of Capulus danieli (Crosse, 1858)
Capulus galea Dall, 1889: synonym of Hyalorisia galea (Dall, 1889)
Capulus galeus [sic]: synonym of Capulus galea Dall, 1889: synonym of Hyalorisia galea (Dall, 1889)
Capulus hungaricus [sic]: synonym of Capulus ungaricus (Linnaeus, 1758)
Capulus incurvus (Gmelin, 1791): synonym of Hipponix incurvus (Gmelin, 1791)
Capulus intortus (Lamarck, 1822): synonym of Hipponix incurvus (Gmelin, 1791)
Capulus japonicus A. Adams, 1861: synonym of Capulus danieli (Crosse, 1858)
Capulus kawamurai Habe, 1992: synonym of Capulus danieli (Crosse, 1858)
Capulus liberatus Pease, 1868: synonym of Krebsia liberata (Pease, 1868)
Capulus lissus E.A. Smith, 1894: synonym of Malluvium lissum (E. A. Smith, 1894)
Capulus nutatus Hedley, 1908: synonym of Williamia radiata nutata (Hedley, 1908)
Capulus radiatus M. Sars, 1851: synonym of Piliscus radiatus (Sars M., 1851): synonym of Piliscus commodus (Middendorff, 1851)
Capulus sagittifer Gould, 1852: synonym of Phenacolepas sagittifer (Gould, 1852)
Capulus shreevei Conrad, 1869: synonym of Cyrtopleura costata (Linnaeus, 1758)
Capulus spondylicola Habe, 1967: synonym of Capulus danieli (Crosse, 1858)
Capulus sycophanta Garrard, 1961: synonym of Capulus danieli (Crosse, 1858)
Capulus uncinatus (Hutton, 1873): synonym of Capulus danieli (Crosse, 1858)
According to the Indo-Pacific Molluscan Database (OBIS) the following species names are also in current use
Capulus irregularis E. A. Smith, 1895
Capulus paleacea Menke
