''Phestilla'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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, aeolid

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, marine

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 ...

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

s in the

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 ...

Trinchesiidae Trinchesiidae is a family of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the superfamily Fionoidea. Taxonomic history This family was reinstated as a result of a molecular phylogenetics study.Korshunova, T.; Martynov, A.; Picto ...

. Its members are unusual in feeding on hard corals, unlike other members of the family Trinchesiidae which feed on hydroids. Adult ''Phestilla'' have no

cnidosac A cnidosac is an anatomical feature that is found in the group of sea slugs known as aeolid nudibranchs, a clade of marine (ocean), marine opisthobranch gastropod mollusk, molluscs. A cnidosac contains cnidocytes, stinging cells that are also known ...

s. This genus has been investigated using DNA phylogeny and undescribed species exist.

Species

Species within the genus ''Phestilla'' include:Bouchet, P.; Bieler, R. (2016)
''Phestilla'' Bergh, 1874.
In: MolluscaBase (2016). Accessed through: World Register of Marine Species on 2016-12-27. * '' Phestilla chaetopterana'' (Ekimova, Deart & Schepetov, 2017) * '' Phestilla fuscostriata'' Hu, Zhang, Xie & Qiu, 2020 * '' Phestilla goniophaga'' Hu, Zhang, Yiu, Xie & Qui, 2020 * '' Phestilla lugubris'' (Bergh, 1870) * '' Phestilla melanobrachia'' Bergh, 1874 * '' Phestilla minor'' Rudman, 1981 * '' Phestilla panamica'' Rudman, 1982 * '' Phestilla poritophages'' (Rudman, 1979) * '' Phestilla sibogae'' Bergh, 1905Faucci, A., Robert J. Toonen, & Michael G. Hadfield, (2007). Host shift and speciation in a coralfeeding nudibranch. Proceedings of the Royal Society, B Biological Sciences 274(1606):111-119. * '' Phestilla subodiosa'' A. Wang, Conti-Jerpe, J. L. Richards & D. M. Baker, 2020 * '' Phestilla viei'' Mehrotra, Caballer & Chavanich in Mehrotra, Arnold, Wang, Chavanich, Hoeksema & Caballer, 2020 Species names currently considered to be synonyms: * ''Phestilla hakunamatata'' Ortea, Caballer & Espinosa, 2003 synonym of '' Hermosita hakunamatata'' (Ortea, Caballer & Espinosa, 2003) * ''Phestilla subodiosus'' A. Wang, Conti-Jerpe, J. L. Richards & D. M. Baker, 2020 : synonym of ''Phestilla subodiosa'' A. Wang, Conti-Jerpe, J. L. Richards & D. M. Baker, 2020 (incorrect gender agreement of specific epithet)

References

External links

Nudipixel page for the genus

Bergh, L. S. R. (1874). Neue Nacktschnecken der Südsee, malacologische Untersuchungen II. Journal des Museum Godeffroy. 2(6): 91-116

Bieler, R. & R. E. Petit, 2012. Molluscan taxa in the publications of the Museum Godeffroy of Hamburg, with a discussion of the Godeffroy Sales Catalogs (1864–1884), the Journal des Museum Godeffroy (1873–1910), and a history of the museum. Zootaxa, 3511: 1-80

Cella, K; Carmona Barnosi, L.; Ekimova, I; Chichvarkhin, A; Schepetov, D; Gosliner, T. M. (2016). A radical solution: The phylogeny of the nudibranch family Fionidae. PLoS ONE. 11(12): e0167800

Korshunova, T.; Martynov, A.; Picton, B. (2017). Ontogeny as an important part of integrative taxonomy in tergipedid aeolidaceans (Gastropoda: Nudibranchia) with a description of a new genus and species from the Barents Sea. Zootaxa. 4324(1): 1
{{Taxonbar, from=Q3901303 Trinchesiidae