Costasiella
Encyclopedia
Costasiella is a genus
of sacoglossa
n sea slug
s, a shell-less marine
opisthobranch gastropod mollusks in the family Limapontiidae.
The most recent diagnosis of the genus Costasiella is by the Dutch malacologist Cornelis Kees Swennen (2007).
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of sacoglossa
Sacoglossa
Sacoglossa, commonly known as the sacoglossans or the "sap-sucking sea slugs", are a clade of small sea slugs and sea snails, marine gastropod mollusks that belong to the clade Heterobranchia...
n sea slug
Slug
Slug is a common name that is normally applied to any gastropod mollusc that lacks a shell, has a very reduced shell, or has a small internal shell...
s, a shell-less marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...
opisthobranch gastropod mollusks in the family Limapontiidae.
The most recent diagnosis of the genus Costasiella is by the Dutch malacologist Cornelis Kees Swennen (2007).
Species
There are 15 species in the genus Costasiella (sorted chronologically):- Costasiella ocellifera (Simroth, 1895)
- Costasiella virescens Pruvot-Fol, 1951
- Costasiella formicaria (Baba, 1959)
- Costasiella nonatoi Marcus & Marcus, 1960
- Costasiella illa (Marcus, 1965)
- Costasiella lilianae (Marcus & Marcus, 1969) - Clark (1984) considered this as a synonym for Costasiella ocellifera
- Costasiella pallida Jensen, 1985
- Costasiella paweli Ichikawa, 1993
- Costasiella usagi Ichikawa, 1993
- Costasiella vegae Ichikawa, 1993
- Costasiella rubrolineata Ichikawa, 1993
- Costasiella iridophora Ichikawa, 1993
- Costasiella kuroshimaeCostasiella kuroshimaeCostasiella kuroshimae is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Limapontiidae.The type locality is Kuroshima, Taketomi, Okinawa, Ryukyu Islands....
Ichikawa, 1993 - Costasiella mandorahae Jensen 1997
- Costasiella coronataCostasiella coronataCostasiella coronata is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Limapontiidae.- Distribution :The type locality for this species is mangrove forest in Bang Tawa, southern Thailand...
Swennen, 2007