Type species: Microporella sparsiporosa Ulrich & Bassler, 1907
This genus includes the species:
| Berthelsen, 1962 | Paleogene Paleocene Danian | Denmark | WoRMS 1401539 | |
| (Ulrich & Bassler, 1907) | Paleogene Paleocene Thanetian | SE USA | WoRMS 1410827 |
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| Diplotresis sparsiporosa (thanks to Dennis Gordon) |
Harmer notebook - entry for Diplotresis