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

Elysia Risso, 1818

Rank: Genus
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Actaeon*	Rang, 1829	synonym
*Aplysiopterus*	Delle Chiaje, 1830	synonym
*Thallepus*	Swainson, 1840	synonym

Children

Elysia azorica Martín-Hervás, Carmona, K. R. Jensen, Krug, Vitale & Cervera, 2023
Elysia fezi Vilella, 1968
Elysia flava A. E. Verrill, 1901
Elysia gordanae T. E. Thompson & Jaklin, 1988
Elysia grandifolia Kelaart, 1858
Elysia manriquei Ortea & Moro, 2009
Elysia margaritae Fez, 1962
Elysia muja Ortea, 2024
Elysia nealae Ostergaard, 1955
Elysia ornata (Swainson, 1840)
Elysia papillosa A. E. Verrill, 1901
Elysia rubeni Martín-Hervás, Carmona, K. R. Jensen, Licchelli, Vitale & Cervera, 2020
Elysia subornata A. E. Verrill, 1901
Elysia timida (Risso, 1818)
Elysia tomentosa K. R. Jensen, 1997
Elysia translucens Pruvot-Fol, 1957
Elysia viridis (Montagu, 1804)

Literature

original description	Risso, A. (1818). Mémoire sur quelques Gastropodes nouveaux, Nudibranches et Tectibranches observés dans la mer de Nice. Journal de Physique, de Chimie, d'Histoire Naturelle et des Arts. 87: 368-377.
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.R. (2007). Biogeography of the Sacoglossa (Mollusca, Opisthobranchia). Bonner Zoologische Beiträge. 55: 255–281.
additional source	Martín-Hervás, M. R., Carmona, L., Jensen, K. R., Krug, P. J., Vitale, F. & Cervera, J. L. (2024 [nomenclatural availability: 2023]). A global phylogeny of Elysia Risso, 1818 (Gastropoda: Heterobranchia): molecular systematic insights focusing on European taxa and description of a new species. Zoological Journal of the Linnean Society. 200(3): 670-689.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Elysia Risso, 1818. 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:137928