Type species: Eschara pallasiana Moll, 1803
This genus includes the species:
| Cryptosula cylindrica | Calvet, 1931 | Recent | N. Atlantic |
| Cryptosula okadai | Dick & Ross, 1988 | Recent | Alaska |
| Cryptosula pallasiana | (Moll, 1803) | Recent | Widespread |
| Cryptosula reticulata | (Okada, 1929) | Recent | N. Pacific |
| Cryptosula zavjalovensis | Kubanin, 1976 | Recent | N. Pacific |
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| Cryptosula pallasiana |
Cryptosula pallasiana - from San Francisco, at the California Academy of Sciences.
Harmer notebook - entry for Cryptosula