From Wikipedia, the free encyclopedia
Jump to: navigation, search
Costasiella cf kuroshimae.png
Costasiella kuroshimae on Avrainvillea erecta. Locality: Lizard Island, Great Barrier Reef. The length of the slug is about 1 cm.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

informal group Opisthobranchia
clade Sacoglossa
clade Plakobranchacea

Superfamily: Limapontioidea
Family: Costasiellidae
Genus: Costasiella
Pruvot-Fol, 1951[1]
Type species
Costasiella virescens Pruvot-Fol, 1951

Costasiella is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Costasiellidae.[2]

The most recent diagnosis of the genus Costasiella is by the Dutch malacologist Cornelis Kees Swennen (2007).[3]


There are 16 species in the genus Costasiella[3]

Species brought into synonymy
  • Costasiella lilianae (Marcus & Marcus, 1969) - Clark (1984):[4] synonym of Costasiella ocellifera (Simroth, 1895) [3]


  1. ^ (in French) Pruvot-Fol A. (1951). "Étude des nudibranches de la Méditerranée". Archives de zoologie expérimentale et générale 88(1): 73.
  2. ^ Bouchet, P.; Gofas, S. (2015). Costasiella Pruvot-Fol, 1951. Accessed through: World Register of Marine Species at on 2015-01-17
  3. ^ a b c d Swennen C. (31 August 2007). "Costasiella coronata, new species, and a revised diagnosis for the Family Costasiellidae (Mollusca: Opisthobranchia: Sacoglossa)". Raffles Bulletin of Zoology 55(2) Archived July 22, 2009, at the Wayback Machine.: 355-362. PDF
  4. ^ Clark K. B. (1984). "New records and synonymies of Bermuda Opisthobranchs (Gastropoda)". The Nautilus 98: 85–97.