Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Heterobranchia > Infraclass Euthyneura > Subterclass Tectipleura > Superorder Sacoglossa > Superfamily Plakobranchoidea > Family Plakobranchidae > Genus Elysia

Elysia ornata (Swainson, 1840)

Rank: Species
Taxon Status: accepted

Original genus

Thallepus Swainson, 1840

Relationships towards this taxon

Genus group names

*Elysia*	Risso, 1818	accepted genus name
*Actaeon*	Rang, 1829	synonym
*Aplysiopterus*	Delle Chiaje, 1830	synonym
*Thallepus*	Swainson, 1840	synonym

Vernaculars (+) (-)

English: lettuce slug

Literature

basis of record	Krug P.J., Vendetti J.E. & Valdés Á. (2016). Molecular and morphological systematics of Elysia Risso, 1818 (Heterobranchia: Sacoglossa) from the Caribbean region. Zootaxa. 4148(1): 1-137.
basis of record	Jensen K. (2015). Sacoglossa (Mollusca: Gastropoda: Heterobranchia) from northern coasts of Singapore. Raffles Bulletin of Zoology. suppl. 31: 226-249.
additional source	Marcus, Ev. (1980). Review of Western Atlantic Elysiidae (Opisthobranchia Ascoglossa) with a description of a new Elysia species. Bulletin of Marine Science. 30 (1): 54-79.
additional source	Rosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas.
additional source	Hirose, M., Suzuki, H. & Yamamoto, T. (2003). Body color and growth of Elysia ornata (Opisthobranchia: Sacoglossa). Venus (Journal of the Malacological Society of Japan). 62(1-2): 55-64.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Elysia ornata (Swainson, 1840). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:139682