From Natural History of Southeast Alaska
Smooth velvet shell (Velutina prolongata) by the opening, which is about as wide as it is long, whereas in V. prolongata, it is considerably longer than wide. Also, the periostracum clearly creates ridges on the shell, and a rougher outlook on the whole. when alive, Velutina velutina has a large white mantle with a clearly yellow edge around it.
This species usually feeds on tunicates, such as Sea Blisters (Ascidia callosa).
- WoRMS Page for Velutina velutina
- Search Arctos Database for Velutina velutina (Southeast only)
- Search Arctos Database for Velutina velutina (entire database)
- Encyclopedia of Life search for Velutina velutina
- iNaturalist Observations for Velutina velutina in Southeast Alaska