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Rzehakina epigona(Rzehak, 1895) identified by scientist Paleogene off Biscaya and Iberia | |
Rzehakina lataCushman & Jarvis, 1928 identified by scientist Cretaceous Barents Sea |
Rzehakina minimaCushman & Renz, 1946 identified by scientist Cretaceous Barents Sea |