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Plaesiomys subquadrata

Plaesiomys subquadrata

SKU: OBR 2.0
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A complete, isolated ventral valve showing wide hinge line, intereareas, two p[rominent teeth, delthyrium, umbo, subquadrate muscle field, both adductor muscle scars that are deep and strong, the septum, the internal peripheral ribs and the external costae and concentric growth lines. From Ohio, USA.

Size: 25mm x 32mm