plural noun Jan·thin·i·dae \janˈthinəˌdē\

Definition of Janthinidae

  1. :  a family of marine snails (suborder Taenioglossa) comprising the violet snails and floating at the surface by means of a raft of air bubbles enclosed in hardened mucus secreted by the foot — see janthina

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Origin and Etymology of janthinidae

New Latin, from Janthina, type genus + -idae

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