Pteraeolidia ianthina

Pteraeolidia ianthina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Suborder: Aeolidacea
Family: Facelinidae
Genus: Pteraeolidia
Species:
P. ianthina
Binomial name
Pteraeolidia ianthina
(Angas, 1864)
Synonyms
  • Flabellina ianthina Angas, 1864 (basionym)
  • Flabellina scolopendrella Risbec, 1928
  • Flabellina semperi Bergh, 1870

Pteraeolidia ianthina is a sea slug, an aeolid nudibranch in the family Facelinidae. It is known as a blue dragon, a name it shares with Glaucus atlanticus and Glaucus marginatus.