Janthinidae
plural noun
Jan·thin·i·dae
| \ janˈthinəˌdē \
Definition of Janthinidae
: 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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Merriam-Webster unabridged
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