Costasiella

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

Costasiella
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

Type species
Costasiella virescens Pruvot-Fol, 1951

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

Species

There are 17 species in the genus Costasiella[3][2]

  • Costasiella arenaria K. R. Jensen, Krug, Dupont & Nishina, 2014
  • Costasiella coronata Swennen, 2007[3]
  • Costasiella formicaria (Baba, 1959)
  • Costasiella fridae Fernández-Simón & Moles, 2023
  • Costasiella illa (Marcus, 1965)
  • Costasiella iridophora Ichikawa, 1993
  • Costasiella kuroshimae Ichikawa, 1993
  • Costasiella mandorahae Jensen 1997
  • Costasiella nonatoi Marcus & Marcus, 1960
  • Costasiella ocellifera (Simroth, 1895)
  • Costasiella pallida Jensen, 1985
  • Costasiella patricki Espinoza, DuPont & Valdés, 2014
  • Costasiella paweli Ichikawa, 1993
  • Costasiella rubrolineata Ichikawa, 1993
  • Costasiella usagi Ichikawa, 1993
  • Costasiella vegae Ichikawa, 1993
  • Costasiella virescens Pruvot-Fol, 1951
Species brought into synonymy
  • Costasiella lilianae (Marcus & Marcus, 1969) - Clark (1984):[4] synonym of Costasiella ocellifera (Simroth, 1895)[3]

References
  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 http://www.marinespecies.org/aphia.php?p=taxdetails&id=137845 on 2015-01-17
  3. 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 Archived 2011-06-06 at the Wayback Machine
  4. Clark K. B. (1984). "New records and synonymies of Bermuda Opisthobranchs (Gastropoda)". The Nautilus 98: 85–97.
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