| Pterotyphis (Tripterotyphis) Pilsbry & Lowe, 1932 |
| Pterotyphis (Tripterotyphis) fayae Keen & Campbell, 1964 |
| Pterotyphis pinnatus (Broderip, 1833) |
| Pterotyphis triangularis (A. Adams, 1855) |
| Pterynotus Swainson, 1833 |
| Pterynotus (Purpurellus) Jousseaume, 1880 |
| Pterynotus (Purpurellus) macleani Emerson & D'Attilio, 1969 |
| Pterynotus guesti Harasewych & Jensen, 1979 |
| Pterynotus havanensis Vokes, 1970 |
| Pterynotus phaneus (Dall, 1889) |
| Pterynotus swansoni Hertlein & Strong, 1951 |
| Pterynotus xenos Harasewych, 1982 |
| Purpura Bruguière, 1789 |
| Purpura aberrans C. B. Adams, 1850 |
| Purpura biserialis Blainville, 1832 |
| Purpura deltoidea Lamarck, 1822 |
| Purpura floridana Conrad, 1837 |
| Purpura melones Duclos, 1832 |
| Purpura nodulosa C. B. Adams, 1845 |
| Purpura pansa Gould, 1853 |