Capulus

Capulus is a genus of small sea snails, marine gastropod mollusks in the family Capulidae, the cap snails.

Species
Species within the genus Capulus include:
 * Capulus badius Dunker, 1882
 * Capulus californicus Dall, 1900
 * Capulus compressus E. A. Smith, 1891
 * Capulus danieli (Crosse, 1858)
 * † Capulus deurganckensis Marquet & Landau, 2006
 * Capulus devexus (May, 1916)
 * Capulus dilatatus A. Adams, 1860
 * 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 kawamurai Habe, 1992
 * Capulus ngai Thach, 2016
 * Capulus novaezelandiae Dell, 1978
 * Capulus otohimeae (Habe, 1946)
 * † Capulus partimsinuosus (S. V. Wood, 1848)
 * Capulus sericeus J. Burch & R. Burch, 1961
 * Capulus simplex Locard, 1898
 * † Capulus sinuosus (Brocchi, 1814)
 * Capulus spondylicola Habe, 1967
 * Capulus subcompressus Pelseneer, 1903
 * Capulus ungaricoides (d'Orbigny, 1841)
 * Capulus ungaricus (Linnaeus, 1758)
 * Capulus violaceus Angas, 1867
 * Species brought into synonymy:
 * Capulus bicarinatus (Pease, 1861a) : synonym of Amathina bicarinata Pease, 1861
 * Capulus chilensis Dall, 1904 : synonym of Capulus ungaricoides (d'Orbigny, 1841)
 * † Capulus corrugatus (extinct/fossil): synonym of † Capulus partimsinuosus (S. V. Wood, 1848)
 * Capulus devotus Hedley, 1904 : synonym of Malluvium devotum (Hedley, 1904) (original combination)
 * 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 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 militaris (Linnaeus, 1771) : synonym of Capulus ungaricus (Linnaeus, 1758)
 * 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 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