Cantharus septencostatus Vermeij & Bouchet, 1998 | 
Cantharus shaskyi Berry, 1959 | 
Cantharus sowerbianus Melvill & Standen, 1903 |
Cantharus sp. 38110 | 
Cantharus sp. 39375 | 
Cantharus spiralis (Gray, 1849) |
Cantharus subrubiginosa (Smith, 1879) | 
Cantharus tranquebaricus (Gmelin, 1791) | 
Cantharus variegatus (Gray, 1839) |
Cantharus vermeiji Fraussen, 2008 | 
Cantharus vezzarochristofei Cossignani, 2017 | 
Cantharus vibex (Broderip, 1833) |
Cantharus vicdani Kosuge, 1984 | 
Cavineptunea monstrosa Powell, 1951 | 
Chauvetia brunnea (Donovan, 1804) |
Chauvetia candidissima (Philippi, 1836) | 
Chauvetia crassior (Odhner, 1932) | 
Chauvetia lefebvrei (Maravigna, 1840) |
Chauvetia procerula (Monterosato, 1889) | 
Chauvetia retifera (Brugnone, 1880) | 
Chauvetia sp. 94300 |
Chauvetia submamillata Bucquoy, Dollfus & Dautzenberg, 1882 | 
Chauvetia taeniata Gofas & J. D. Oliver, 2010 | 
Chauvetia tenuisculpta (Dautzenberg, 1891) |
Chlanidota densesculpta (Martens, 1885) | 
Chlanidota sigueyana Powell, 1951 | 
Clinopegma decora (Dall, 1895) |
Clinopegma magnum (Dall, 1895) | 
Clinopegma magnum buccinoides T. Habe & Ki. Ito, 1965 | 
Clinopegma magnum damon (Dall, 1907) |
Clinopegma magnum unicum (Pilsbry, 1905) | 
Clinopegma okhotensis (Dall, 1895) | 
Clivipollia costata (Pease, 1860) |
Clivipollia fragaria (W. Wood, 1828) | 
Clivipollia pulchra (Reeve, 1846) | 
Colus aurariae Fraussen, Rosado, Afonso & Monteiro, 2009 |
Colus cf. esychus (Dall, 1907) | 
Colus coerulescens (Habe, 1961) | 
Colus esychus (Dall, 1907) |
Colus gracilis (Da Costa, 1778) | 
Colus gracilis glaber (Verkr�zen, 1876) | 
Colus griseus (Dall, 1890) |
Colus halibrectus (Dall, 1891) | 
Colus halli (Dall, 1873) | 
Colus hiranoi Shikama, 1962 |
Colus holboelli (Moeller, 1842) | 
Colus islandicus (Gmelin, 1791) | 
Colus jeffreysianus (Fischer, 1868) |
Colus kujianus Tiba, 1973 | 
Colus periscelidus (Dall, 1891) | 
Colus pygmaeus (Gould, 1841) |
Colus sp. 272792 | 
Colus stimpsoni (Morch, 1867) | 
Colus stimpsoni brevis (Verrill, 1882) |
Colus stimpsoni liratulus (Verrill, 1882) | 
Colus trophius (Dall, 1918) | 
Cominella accuminata F. W. Hutton, 1893 |
Cominella acutinodosa (Reeve, 1846) | 
Cominella adspersa (Brugui�re, 1789) | 
Cominella alertae (Dell, 1956) |
Cominella eburnea (Reeve, 1846) | 
Cominella eburnea filicea (Crosse & P. Fischer, 1864) | 
Cominella elegantula (H. J. Finlay, 1926) � |
Cominella glandiformis (Reeve, 1847) | 
Cominella lineolata (Lamarck, 1809) | 
Cominella maculosa (Martyn, 1784) |
Cominella nassoides (Reeve, 1846) | 
Cominella nassoides haroldi A. W. B. Powell, 1946 | 
Cominella nassoides iredalei (Finlay, 1928) |
Cominella nassoides nodicincta E. von Martens, 1878 | 
Cominella nassoides otakauica Powell, 1947 | 
Cominella norfolkensis (Iredale, 1940) |
Cominella otagoensis (Finlay, 1930) | 
Cominella quoyana A. Adams, 1855 | 
Cominella tasmanica (Tennison-Woods, 1878) |
Cominella tolagaensis Ponder, 1968 | 
Cominella virgata brookesi A. W. B. Powell, 1952 | 
Cominella virgata H. & A. Adams, 1853 |
Crenatosipho beaglensis K. Linse, 2002 | 
Ecmanis tritonoides (Reeve, 1848) | 
Engina cf. maura (Sowerby, 1832) |
Engina cf. menkeana (Dunker, 1860) | 
Engina cf. obliquicostata (Reeve, 1846) | 
Engina cf. rawsoni (Melvill, 1897) |
Engina cf. recurva (Reeve, 1846) | 
Engina cf. spica Melvill & Standen, 1895 | 
Engina concinna (Reeve, 1846) |
Engina contracta (Reeve, 1844) | 
Engina cronuchorda Fraussen & Chino, 2011 | 
Engina curtisiana (Smith, 1884) |
