Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
Superordo: Sacoglossa
Superfamilia: Plakobranchoidea
Familia: Plakobranchidae
Genera (4): Bosellia – Elysia – Plakobranchus – Thuridilla
Name
Plakobranchidae Gray, 1840
Synonyms
Actaeonidae Allman, 1845 Boselliidae Ev. Marcus, 1982 Elysiidae Forbes & Hanley, 1851 Placobranchidae Gray, 1840, misspelling
References
Links
Plakobranchidae in the World Register of Marine Species
Plakobranchidae is a family of sea slugs, marine opisthobranch gastropod mollusks in the superfamily Plakobranchoidea.[2] They superficially resemble nudibranchs but they are sacoglossans, members of the clade Sacoglossa within the Opisthobranchia.
Two Plakobranchus ocellatus seaslugs
Thuridilla carlsoni
Taxonomy
Elysiidae was originally described as "Elysiadae" by Forbes & Hanley in 1851 in the book A history of British Mollusca and their Shells 3:613. In the taxonomy of Bouchet & Rocroi (2005), the family Elysiidae is considered to be a synonym of the family Plakobranchidae Gray, 1840.
The original spelling Placobranchidae, based on Placobranchus, an incorrect subsequent spelling by Férussac (1824) in a translation of van Hasselt's work. Franc (1968: 848) and Jensen (1996: 92) attributed the name to Rang, 1829 (p. 134), who used the vernacular "les Placobranches". Jensen (1997: 180-181) argued for the restoration of the spelling Plakobranchidae, and she has been followed by Wägele & Willan (2000: 91). Bouchet & Rocroi (2005: 133), argued that the spellings Placobranchus and Placobranchidae were in prevailing usage and were conserved under Art. 33.3.1. This view has been challenged by R. Burn and the spelling Plakobranchidae is now preferred.
This family has no subfamilies.
Genera
Genera in the family Plakobranchidae are:[2]
Bosellia Trinchese, 1891
Elysia Risso, 1818
Plakobranchus van Hasselt, 1824 – type genus
Thuridilla Bergh, 1872
References
Gray J. E. (1840). Shells of molluscious animals. In: Synopsis of the contents of the British Museum, ed. 42: 121, 148.
Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2024). "Plakobranchidae Gray, 1840". MolluscaBase. World Register of Marine Species. Retrieved 24 February 2024.
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