Tantulum elegans is a species of freshwater slug, an aquatic shell-less gastropod mollusk within the clade Acochlidiacea.
[4] In 2005, Tantulidae was classified as the only family within the superfamily Hedylopsoidea in the taxonomy of Bouchet & Rocroi.
[5] According to Schrödl & Neusser (2010)[1] Tantulidae is in the clade Hedylopsacea.
[1] This species occurs in the Caribbean island of Saint Vincent.
It was collected at an altitude of 411.5 m.[3] Tantulum elegans are sequential hermaphrodites.