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
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