Type species: Metrocrypta bucculenta Canu & Bassler, 1917
This genus includes the species:
Canu & Bassler, 1917 | Eocene | USA North Carolina | WoRMS 478330 | |
McGuirt, 1941 | Paleogene Oligocene Rupelian | USA Louisiana | WoRMS 1405354 |
Metrocrypta bucculenta (thanks to Dennis Gordon, NIWA) |
Harmer notebook - entry for Metrocrypta