Zemysina
Zemysina is a genus of marine bivalve mollusc in the family Ungulinidae. It contains the following species:
- †Zemysina decipiens
- †Zemysina densisculpta Zemysina globularis Zemysina globus Zemysina gouldi
- †Zemysina guyerdeti Zemysina impolita Zemysina inconspicua
- †Zemysina ingens
- †Zemysina lamberti Zemysina lunaris Zemysina orbella Zemysina pisiformis Zemysina semiasperoides Zemysina sphaericula
- †Zemysina striatina Zemysina striatula
- ''Zemysina subquadrata''