Internal view of the left valve. FMNH 174731. Niteroi, Rio de Janeiro, Brazil. 22°54’ S, 43°10’ W.

Internal view of the left valve. FMNH 174731. Niteroi, Rio de Janeiro, Brazil. 22°54’ S, 43°10’ W.
Photographer: Sartori, André F.Rights holder: Sartori, André F.