Class: BIVALVIA --- Taxon Tree: PALAEOHETERODONTA [Subclass] - TRIGONIIDA [Order] - MEGATRIGONIOIDEA [Superfamily] ------ Family: PTEROTRIGONIIDAE van Hoepen, 1929 † (Sea) ------------ Genus: Oistotrigonia Cox, 1952 †
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Please email your image to: Claudio Galli - last updated: 28/ago/2017
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