image: Polycera quadrilineata. Gulen, Norway, 2016-04-05.

Polycera quadrilineata (O. F. Müller, 1776)
Gulen, Norway, 2016-04-05. Photograph © Bernard Picton


 Bernard Picton (2026). Photograph of Polycera quadrilineata. (O. F. Müller, 1776). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=_b163544. Accessed on 2026-11-04