image: Tetrarca tetragona. Inside of right valve : unknown : BELUM Mn5299.

Tetrarca tetragona (Poli, 1795)
Inside of right valve : unknown : BELUM Mn5299. Photograph © Bernard Picton


 Bernard Picton (2026). Photograph of Tetrarca tetragona. (Poli, 1795). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=5299c. Accessed on 2026-11-03