Hervia quadrilineata Baba, 1930 Facelina quadrilineata is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.

[2] This species has been reported from Japan where it is a common species.

[3] This species has a pattern of four lines on the head.

[4] Facelina bilineata has been confused with this species in the past.

This Facelinidae-related article is a stub.