Sigapatella gigantea (FOSSIL) (A.G. Beu, 1970 †)
Crucibulum giganteum (FOSSIL) Gardner, 1877 † UK, Isle of Wight
Crepidula glottidiarum W.H. Dall, 1905 California, Santa Barbara
Crepidula goreensis (J.F. Gmelin, 1791) Congo, Pointe Noire
Crucibulum grande (FOSSIL) (T. Say, 1824 †) Florida45 mm
Grandicrepidula grandis (A.T. von Middendorff,1849) Hokkaido29,2 mm
Bostrycapulus gravispinosus (Kuroda & T. Habe, 1950) Japan, Kotoga beach
Calyptraea grayana (FOSSIL) R. Tate, 1865 † Northern Ireland
Crepipatella greensboroensis (FOSSIL) Martin, 1904 †
Crepidula gryphaea É.A.A. Locard, 1898 Cape Verde
Crepidula hainsworthi (FOSSIL) Johnston, 1885 † Tasmania22 mm
Maoricrypta haliotoidea (FOSSIL) J. Marwick, 1926 †
Sigapatella hedleyi (E.A. Smith, 1915) Australia, Sydney
Calyptraea helicoidea (G.B. III Sowerby, 1883) South Africa, Jeffreys Bay42 mm
Grandicrepidula hemispherica (FOSSIL) A.G. Beu, 2010 †
Bostrycapulus heteropoma R. Collin & E. Rolán,2010 Senegal, Dakar
Dispotaea imbricata (FOSSIL) Sowerby, 1824 † Florida, Sarasota County47 mm
Maoricrypta immersa (G.F. Angas, 1865) Australia, Edithburgh40,7 mm
Crepidula incurva W.J. Broderip, 1834 Mexico, Sea of Cortèz52 mm
Calyptraea inexpectata E. Rolán, 2004 Senegal, Dakar4 mm
Crepidula iniquita (FOSSIL) Clark & J.W. Durham,1946 † Colombia, Bolivar Department
Dispotaea insculpta (FOSSIL) P.O. Jung, 1965 † Colombia
Crepidula intratesta L.R.L. Simone, 2006 Brazil, Bahia30 mm
Crepidula isabellae Is. Taki, 1938 Japan, Miyazaki
Crepidula isimotoi (FOSSIL) Y. Otuka, 1934 † Japan, Kitakami massif
Crepidula jimboana (FOSSIL) M. Yokoyama, 1931 † Hokkaido
Calyptraea kilburni (FOSSIL) B.F. Kensley & Pether,1986 † South Africa
Maoricrypta kopua B.A. Marshall, 2003 New Zealand
Sigapatella lamellaria (FOSSIL) (Finlay & J. Marwick,1937 †)
Calyptraea lamellosa G.P. Deshayes, 1824 France13 mm
Bostrycapulus latebrus R. Collin, 2005 Italy, Sicily, Altavilla
Crucibulum lawrencei (FOSSIL) Ward& B.W. Blackwelder, 1987 † USA, North Carolina, Pamlico
Crepidula lessonii (W.J. Broderip, 1834) Ecuador38,6 mm
Calyptraea lichen W.J. Broderip, 1834 Costa Rica22 mm
Crucibulum lignarium (W.J. Broderip, 1834) Panama West14,5 mm