Bathydevius

Bathydevius (from Ancient Greek βαθύς (bathús), meaning "deep", and Latin dēvius, meaning "out of the way") is a monotypic genus of unusual, highly distinctive nudibranch (sea slug) native to deep waters of the North Pacific Ocean. It contains a single species, B. caudactylus ("finger tail"), and is the only known member of the monotypic family Bathydeviidae.

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