Animalia > Chordata > Elasmobranchii > Hexanchiformes

Hexanchiformes (cow sharks and frilled sharks)

Wikipedia Abstract

Hexanchiformes is the order consisting of the most primitive types of sharks, and numbering just six extant species.
View Wikipedia Record: Hexanchiformes


Chlamydoselachidae (frilled sharks) (2)
Hexanchidae (cow sharks, sevengill sharks, and sixgill sharks) (4)

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