Cratena peregrina

Cratena peregrina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Suborder: Aeolidacea
Family: Facelinidae
Genus: Cratena
Species:
C. peregrina
Binomial name
Cratena peregrina
(Gmelin, 1791)
Synonyms

Cuthona peregrina (Gmelin, 1791)
Doris peregrina Gmelin, 1791 (original combination)
Hervia costai Haefelfinger, 1961 (synonym)

Cratena peregrina, commonly called the pilgrim hervia, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.