- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Subclass: Caenogastropoda
- Order: Littorinimorpha
- Superfamily: Velutinoidea
- Family: Velutinidae
- Scientific name: Velutina plicatilis
- Norwegian: porselensnegl
This vivid orange, yellow or white snail can reach a body length of 20 mm, from head to tail. The fragile, semitransparent shell is oval shaped with an oval opening. It is partly covered by a thin skin, periostracum.
It is registered on depths from 10 to 375 meters, usually on rocky locations. It is often seen feeding of sea squirts.
It is registered in the Arctic and North-East Atlantic Ocean, as far south as northern parts of the North Sea, including Scotland and the west coast of Sweden.