Deania is a genus of long-snouted, deepwater dogfish sharks in the family Centrophoridae.

However, in the North Spanish waters, only Deania calcea and Deania profundorum have been caught.

[2] Deania species have two dorsal fins with strong grooved spines, no anal fin, and a strong sub terminal notch on the caudal fin.

Typically, identification characteristics such as dermal denticles and teeth have been utilized to distinguish between elasmobranch species.

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