Type species: Taphrostoma spinosum Canu, 1908
This genus includes the species:
| Taphrostoma grandis | Canu, 1926 | Paleogene Eocene Priabonian | France |
| Taphrostoma hirsutum | (Canu, 1907) | Paleogene Eocene Priabonian | France |
| Taphrostoma spinosum | Canu, 1908 | Paleogene Eocene Priabonian | France |