image: Testudinalia testudinalis. On coralline rock, Saltstraumen, Norway.

Testudinalia testudinalis (O. F. Müller, 1776)
On coralline rock, Saltstraumen, Norway. Photograph © Bernard Picton


 Bernard Picton (2026). Photograph of Testudinalia testudinalis. (O. F. Müller, 1776). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=_b186177. Accessed on 2026-11-04