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Hexanchidae

  

Hexanchidae

Frilled shark
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Chondrichthyes
Order:Hexanchiformes
Family:Hexanchidae
Species
Heptranchias perlo
Hexanchus griseus
Hexanchus vitulus
Notorynchus cepedianus

Hexanchidae (cow sharks) are charatcterized by extra pairs of gill slits.

There are four species of cow shark: Heptranchias perlo (Sharpnose sevengill shark),
Hexanchus griseus (Bluntnose sixgill shark), Hexanchus vitulus (Bigeye sixgill shark)
and Notorynchus cepedianus Broadnose sevengill shark

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