Philinoidea is a taxonomic superfamily of sea slugs, specifically headshield slugs, marine gastropod mollusks in the order Cephalaspidea.MolluscaBase eds. (2021). MolluscaBase. Philinoidea Gray, 1850 (1815). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=196322 on 2021-10-14
Anatomy The species in the Superfamily Philinoidea are generally small animals that have an internal or external shell, and a covered gill. Unlike some related forms, the visceral mass is not sharply set off from the rest of the body.
Taxonomy According to the latest taxonomy, the following families are recognised in the Superfamily Philinoidea: Aglajidae Alacuppidae Antarctophilinidae Moles, Avila & Malaquias, 2019 Colpodaspididae Gastropteridae Laonidae Philinidae Philinoglossidae Philinorbidae Philinorbis Habe, 1950 Pseudophiline Habe, 1976 Scaphandridae
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