Taxonomy
Elysia
Synonyms
Actaeon Rang, 1829 • Aplysiopterus Delle Chiaje, 1830
Checholysia Ortea, Caballer, Moro & Espinosa, 2005
• Elysiella Verrill, 1872
• Elysiella Bergh, 1871
• Elysiobranchus Pruvot-Fol, 1930
• Hydropsyche Kelaart, 1858
• Pattyclaya Ev. Marcus, 1982
• Pterogasteron Pease, 1860
• Rhyzobranchus Cantraine, 1835
• Thallepus Swainson, 1840
• Thridachia P. Fischer, 1883
• Tridachia Deshayes, 1857
• Tridachiella MacFarland, 1924