image: Testudinalia testudinalis. Tortoiseshell limpet and white tortoiseshell limpet on coralline encrusted rock, Saltstraumen, Norway.

Testudinalia testudinalis (O. F. Müller, 1776)
Tortoiseshell limpet and white tortoiseshell limpet on coralline encrusted 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=_b185677. Accessed on 2026-11-04