Dogfish Shark
Squalus acanthias
By Matt Day and Stephanie Rogers (2001)

Kingdom:  Animalia
Phylum:  Chordata
Class:  Chondrichthyes
Order:  Squaliformes
Family:  Squalidae
Genus:  Squalus
Species:  Acanthias

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   Digestive System                                   Respiratory System


Fishbeck, Dale W., and Aurora Sebastiani.  Comparative Anatomy - Manual of Vertebrate Dissection.  Englewood CO:  Morton Publishing Company, 2001.

Walker, Warren F, Jr.  Functional Anatomy of the Vertebrates - An Evolutionary Perspective.  Philadelphia PA:  Saunders College Publishing, 1987.

"All About Sharks."  2001. <