Sea slug
Limacina retroversa
- shell with 0.1mm rule 1
Sea slug
Limacina retroversa
- shell with 0.1mm rule 2
Images of shells from a private collection in Cornwall. 12.06.12.
Scientific and European Names:
Limacina retroversa, Spiralis retroversa, Spiratella retroversa
Spirialis balea, Retrovert pteropod, Spitse contravleugelslak.
Scientific and Common Names used are largely gained from from the WoRMS Database.