Phylum: Mollusca

Class: Gastropoda

Subclass: Heterobranchia

Superorder: Opisthobranchia

Order: Nudibranchia

Suborder: Doridina

 

Norwegian: -

(Ingdalen - The Trondheim fjord / 6 meters / 12.13.2006)

A common feature of most members of the Doridina suborder is the cerata (fringes) placed in a circle around the anus. Fringes on the back do not contain any intestines. They usually feed on bryozoans, sponges or ascidians.