Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Heterobranchia > Infraclass Euthyneura > Subterclass Ringipleura > Superorder Nudipleura > Order Nudibranchia > Suborder Cladobranchia

Fionoidea Gray, 1857

Rank: Superfamily
Taxon Status: accepted

Relationships towards this taxon

Superfamily group names

*Flabellinoidea*	Bergh, 1889	synonym

Children

Calmidae Iredale & O'Donoghue, 1923
Coryphellidae Bergh, 1889
Cumanotidae Odhner, 1907
Cuthonellidae M. C. Miller, 1977
Cuthonidae Odhner, 1934
Eubranchidae Odhner, 1934
Fionidae Gray, 1857
Murmaniidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017
Paracoryphellidae M. C. Miller, 1971
Pseudovermidae Thiele, 1931
Samlidae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017
Tergipedidae Bergh, 1889
Trinchesiidae F. Nordsieck, 1972
Xenocratenidae Martynov, Lundin, Picton, Fletcher, Malmberg & Korshunova, 2020

Literature

basis of record	Bouchet, P. & Rocroi, J.-P. (2005). Classification and nomenclator of gastropod families. Malacologia. 47 (1-2): 1-397. [20 July].
taxonomy source	Korshunova, T.; Martynov, A.; Bakken, T.; Evertsen, J.; Fletcher, K.; Mudianta, W.; Saito, H.; Lundin, K.; Schrödl, M.; Picton, B. (2017). Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda). ZooKeys. 717: 1-139.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Fionoidea Gray, 1857. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:412646