| Bostrycapulus aculeatus (Gmelin, 1791) |
| Crepidula riisei Dunker, 1852 [Dubious name] |
| Crepidula pyguaia Simone, 2006 |
| Crepidula protea (d'Orbigny, 1841) |
| Crepidula porcellana (Linnaeus, 1758) [Dubious name] |
| Trochita pileus (Lamarck, 1822) |
| Trochita pileolus (d'Orbigny, 1841) |
| Crucibulum personatum Keen, 1958 [Extralimital] |
| Crucibulum planum Schumacher, 1817 |
| Crepidula plana Say, 1822 |
| Crucibulum scutellatum (W. Wood, 1828) |
| Crucibulum springvaleense Rutsch, 1942 |
| Crepidula aeola Dall, 1927 |
| Crepidula aplysioides Reeve, 1859 |
| Crepidula argentina Simone, Pastorino & Penchaszadeh, 2000 |
| Crucibulum waltonense Gardner, 1947 |
| Crepidula ustulatulina R. Collin, 2002 |
| Trochita trochiformis (Born, 1778) [Extralimital] |
| Bostrycapulus tegulicia (Rochebrune, 1883) [Extralimital] |
| Crucibulum striatum (Say, 1826) |
| Crepidula squamosa Menke, 1828 [Dubious name] |
| Crepidula patula Deshayes, 1830 [Extralimital] |
| Bostrycapulus odites R. Collin, 2005 |
| Crepidula cruzana Usticke, 1959 [Dubious name] |
| Calyptraea chinensis (Linnaeus, 1758) [Extralimital] |
| Calyptraea centralis (Conrad, 1841) |
| Crepidula carioca Simone, 2006 |
| Bostrycapulus calyptraeformis (Deshayes, 1830) [Extralimital] |
| Crepidula cachimilla Cledón, Simone & Penchaszadeh, 2004 |
| Crepidula barbudaensis Usticke, 1969 [Dubious name] |
| Crepidula badisparsa R. Collin, 2005 |
| Crucibulum auricula (Gmelin, 1791) |
| Crepidula convexa Say, 1822 |
| Crepidula cymbaeformis Conrad, 1844 |
| Crepidula navicula (Mörch, 1877) |
| Crepidula margarita Simone, 2006 |
| Crepidula maculosa Conrad, 1846 |
| Crepidula intratesta Simone, 2006 |
| Trochita georgiana A. W. B. Powell, 1951 |
| Crepidula fornicata (Linnaeus, 1758) |
| Infundibulum depressum Say, 1826 [Dubious name] |
| Crepidula depressa Say, 1822 |
| Crepipatella dilatata (Lamarck, 1822) |
| Crepidula atrasolea R. Collin, 2000 |
