Type species: Calpensia reversa Harmer, 1926
| Synonyms | Author | Type species |
|---|---|---|
| Thalamotreptos | Soule, Soule & Chaney, 1991 | Thalamoporella verrilli Soule & Soule, 1970 |
This genus includes the species:
| (Ziko, 1985) | Eocene | Egypt | WoRMS 1410792 | |
| (Levinsen, 1909) | Recent | Indo-Pacific | WoRMS 468434 | |
| (Maplestone, 1900) | Neogene Miocene | SE Australia | WoRMS 1410793 | |
| Cheetham, 1963 | Paleogene Eocene Priabonian | Florida | WoRMS 1401480 | |
| (Harmer, 1926) | Recent | Indo-West Pacific | WoRMS 468435 | |
| (Guha & Gopikrishna, 2004) | Neogene Miocene Aquitanian | India Gujarat | WoRMS 1565826 | |
| (Soule & Soule, 1970) | Recent | Hawai'i | WoRMS 468436 |