Bathydevius

Bathydevius
A Bathydevius photographed in 2002 near Davidson Seamount. The tail is facing towards the camera and the hood behind
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Family: Bathydeviidae
Robison & Haddock, 2024
Genus: Bathydevius
Robison & Haddock, 2024
Species:
B. caudactylus
Binomial name
Bathydevius caudactylus
Robison & Haddock, 2024

Bathydevius (Greek for "deep-living deviation") 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.