Costasiellidae is a

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

of small to minute

sacoglossa Sacoglossa are a superorder of small sea slugs and sea snails, marine gastropod mollusks that belong to the clade Heterobranchia known as sacoglossans. There are 284 valid species recognized within this superorder. Sacoglossans live by ingestin ...

sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...

s. These are marine

opisthobranch Opisthobranchs () is a now informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to represent a monophyletic grouping. Euopistho ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s belonging to the superfamily

Plakobranchoidea Plakobranchoidea is a taxonomic superfamily of sea slugs, marine gastropod mollusks within the superorder Sacoglossa Sacoglossa are a superorder of small sea slugs and sea snails, marine gastropod mollusks that belong to the clade Heterobra ...

.Bouchet, P.; Gofas, S. (2015). Costasiellidae K. B. Clarke, 1984. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=23012 on 2015-01-17 These sea slugs resembling

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...

s, but are not closely related to them. This family has no subfamilies.

Genera

The following genera belong to the family Costasiellidae: * ''

Costasiella ''Costasiella'' is a genus of sacoglossan sea slugs, a shell-less ocean, marine opisthobranchid gastropod mollusk in the family Costasiellidae.Bouchet, P.; Gofas, S. (2015). Costasiella Pruvot-Fol, 1951. Accessed through: World Register of Marine ...

'' Pruvot-Fol, 1951 * '' Panderevela'' Moro & Ortea, 2015

References

{{Taxonbar, from=Q19760058