Placida
Encyclopedia
Placida is a genus
of very small or minute sea slug
s, marine
opisthobranch gastropod mollusks in the family
Limapontiidae.
Although similar in appearance to nudibranch
s, species in this genus are actually Sacoglossa
ns.
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 very small or minute 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, 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
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Limapontiidae.
Although similar in appearance to nudibranch
Nudibranch
A nudibranch is a member of what is now a taxonomic clade, and what was previously a suborder, of soft-bodied, marine gastropod mollusks which shed their shell after their larval stage. They are noted for their often extraordinary colors and striking forms...
s, species in this genus are actually 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...
ns.
Species
Species within this genus include:- Placida brevicornis (A. Costa, 1867)
- Placida cremoniana (Trinchese, 1892)
- Placida daguilarensis Jensen, 1990
- Placida dakariensis (Pruvot-Fol, 1953)
- Placida dendriticaPlacida dendriticaPlacida dendritica is a species of minute sea slug, a marine opisthobranch gastropod mollusk or micromollusk in the family Limapontiidae. Despite a superficial resemblance, this is not a nudibranch, it is a sacoglossan Placida dendritica is a species of minute sea slug, a marine opisthobranch...
(Alder and Hancock, 1843) - Placida fralila Burn, 1966
- Placida kingstoni T. E. Thompson, 1977
- Placida saronica (T.E. Thompson, 1988)
- Placida tardyi (Trinchese, 1873)
- Placida verticillata Ortea, 1981
- Placida viridis (Trinchese, 1873)