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Class: BIVALVIA
--- Taxon Tree: PTERIOMORPHIA [Subclass] - CYRTODONTIDA [Order]
------ Family: ISCHYRODONTIDAE Scarlato & Starobogatov, 1979 † (Sea) (FOSSIL)
DB counters: Genus=1, Subgenus=0, Species=5, Subspecies=1 ( 0 Species and 0 Subspecies have images)
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Genus: Ischyrodonta Ulrich , 1890 † (DB: 5 SP, 0 IMG)
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