Genus Elysia Risso, 1818

Museums

Regional Maps

• Elysia Risso, A. 1818. Mémoire sur quelques Gastéropodes nouveaux, Nudibranches et Tectibranches observé dans lax mer de Nice. Journal de Physique 87: 368–377 [375].

  Type species:

   Elysia timida Risso, 1818 by original designation.
• Actaeon Rang, 1829 [Manuel de l'histoire naturelle des mollusques et de leurs coquilles: 146; Not available from Oken, 1815 (work placed on the Official Index). Rang subsequently used as valid "Actéon, actaeon, Ocken" and listed "Elysia? Risso" as a synonym. Oken had based Actaeon on Laplysia viridis Montagu, which is then the type species of Actaeon Rang, by monotypy].
• Aplysiopterus Delle Chiaje, 1830 [Memorie sulla storia e notomia degli animali senza vertebre del regno di Napoli 4: 31].

  Type species:

   Aplysiopterus neapolitanus delle Chiaje, 1830 by monotypy.
• Rhizobranchus Philippi, 1853.
• Pterogasteron Pease, W.H. 1860. Descriptions of new species of Mollusca from the Sandwich Islands. Proceedings of the Zoological Society of London 28: 18–36 [35].
• Hydropsyche Pease, 1871.
• Laplysia Montagu, 1804.
• Thallepus Swainson, 1840 [a treatise on malacology: 250, 359].

  Type species:

   Thallepus ornatus Swainson, 1840 by monotypy.

 

Taxonomic Decision for Synonymy

• Thompson, T.E. 1973. Sacoglossan gastropod molluscs from eastern Australia. Proceedings of the Malacological Society of London 40: 239–251 [244]
• Jensen, K.R. 1992. Anatomy of some Indo-Pacific Elysiidae (Opisthobranchia: Sacoglossa (=Ascoglossa)), with a discussion of the generic division and phylogeny. Journal of Molluscan Studies (Supplement) 58: 257-296 [259]

 

Introduction

Several putative undescribed species may be present, including Elysia cf. arena of Carlson & Hoff (1977), Elysia cf. furvacauda of Coleman (2008), Elysia cf. maoria of Jensen (1993), Elysia cf. tormentosa of Rudman (2001) and Elysia cf. trisinuata of Willan (2005).

 

Distribution

States

New South Wales, Northern Territory, Queensland, South Australia, Victoria, Western Australia

Extra Distribution Information

New Zealand

IBRA and IMCRA regions

IMCRA

Lord Howe Province (14), Central Eastern Shelf Transition (39), Northeast Shelf Province (40)

Other Regions

Territory of Ashmore & Cartier Islands

General References

Carlson, C.H. & Hoff, P.J. 1977. A sand-dwelling Elysia from Guam (Opisthobranchia: Sacoglossa). The Veliger 20: 14-16

Coleman, N. 2008. Nudibranchs Encyclopedia. Queensland : Neville Coleman's Underwater Geographic 416 pp. [85]

Jensen, K.R. 1993. Sacoglossa (Mollusca Opisthobranchia) from Rottnest Island and central Western Australia. pp. 207-253 in Wells, F.E., Walker, D.I., Kirkman, H. & Lethbridge, R. (eds). Proceedings of the Fifth International Marine Biological Workshop: The Marine Flora and Fauna of Albany, Western Australia. Perth : Western Australian Museum Vol. 1. [221]

Rudman, W.B. 2001. Elysia cf. tomentosa. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet.cfm?base=elyscftome.

Willan, R.C. 2005. The molluscan fauna from the emergent reefs of the northernmost Sahul Shelf, Timor Sea — Ashmore, Cartier and Hibernia Reefs; biodiversity and zoogeography. pp. 51-81 in Russell, B.C. et al. (eds). Understanding the Cultural and Natural Heritage values and Management Challenges of the Ashmore Region. The Beagle, Records of the Museums and Art Galleries of the Northern Territory Suppl. 1: 248 pp. [74]

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
04-Dec-2018	HETEROBRANCHIA	31-May-2022	MODIFIED
30-Nov-2011	OPISTHOBRANCHIA	30-Nov-2011	MOVED	Dr Robin Wilson
11-Jan-2016		26-Sep-2011	MODIFIED
		24-Mar-2011	(import)