Umbraculum (gastropod)

Umbraculum, common name the "umbrella slugs", is a genus of unusual^[how?] sea snails or false limpets, marine gastropod molluscs in the family Umbraculidae.^[2]

Umbraculum
Detailed illustration of Umbraculum umbraculum from 1852
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Euopisthobranchia clade Umbraculida
Superfamily:	Umbraculoidea
Family:	Umbraculidae
Genus:	Umbraculum Schumacher, 1817[1]
Species
See text
Synonyms[2]
Gastroplax Blainville, 1819 Operculatum Mörch, 1852 Umbrella Lamarck, 1819

Species

There are probably only two species in the genus Umbraculum.^[3]

• Umbraculum ovale (Carpenter, 1856)
• Umbraculum umbraculum (Lightfoot, 1786) - Atlantic umbrella slug.

Other synonymised taxa

• Umbraculum bermudense (Mörch, 1875): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum botanicum (Hedley, 1923): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum indicum (Lamarck, 1819): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum mediterraneum (Lamarck, 1819): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum ovalis (Carpenter, 1856): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum plicatulum (Martens, 1881): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum pulchrum (Lin, 1981): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbrella indica (Lamarck, 1819): synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbrella mediterranea (Lamarck, 1819):^[4] synonym of Umbraculum umbraculum (Lightfoot, 1786)
• Umbraculum rushii Dall, 1889: synonym of Plesiothyreus rushii (Dall, 1889)
• Umbraculum sinicum (Gmelin, 1791):^[5] synonym of Umbraculum umbraculum (Lightfoot, 1786)

References

1. Schumacher (1817). Essai Vers test. 55: 177.
2. Bouchet, P.; Gofas, S. (2012). Umbraculum Schumacher, 1817. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138620 on 2013-04-16
3. Rudman W. B. (1999 January 14). "Umbraculum mediterraneum (Lamarck, 1819)". Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/umbrmedi accessed 11 January 2011.
4. World Register of Marine Species
5. Wägele H., Vonnemann V. & Rudman W. B. (2006). "Umbraculum umbraculum (Lightfoot, 1786) (Gastropoda, Opisthobranchia, Tylodinoidea) and the synonymy of U. mediterraneum (Lamarck, 1812)". Records of the Western Australian Museum Supplement 69: 69-82.

• Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp
• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
• Wägele H., Vonnemann V. & Rudman W.B. (2006) Umbraculum umbraculum (Lightfoot, 1786) (Gastropoda, Opisthobranchia, Tylodinoidea) and the synonymy of U. mediterraneum (Lamarck, 1812). Records of the Western Australian Museum Supplement 69: 69-8