Type species: Cryptostomaria crassatina Canu & Bassler, 1927
This genus includes the species:
| Cryptostomaria alata | d'Hondt & Gordon, 1999 | Recent | New Caledonia |
| Cryptostomaria crassatina | Canu & Bassler, 1927 | Recent | Pacific |
| Cryptostomaria cylindrica | (Harmer, 1926) | Recent | Indonesia |