Tantulidae is a family of freshwater slugs, aquatic shell-less gastropod molluscs within the superfamily Acochlidioidea.
Taxonomy In 2005, Tantulidae was classified as the only family within the superfamily Hedylopsoidea in the taxonomy of Bouchet & Rocroi.
According to Schrödl & Neusser (2010)Schrödl M. & Neusser T. P. (2010). "Towards a phylogeny and evolution of Acochlidia (Mollusca: Gastropoda: Opisthobranchia)". Zoological Journal of the Linnean Society 158: 124-154. . Tantulidae is in the clade Hedylopsacea.
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