Home > Science > Biology > Flora and Fauna > Animalia > Chordata > Fish > Cartilaginous > Heterodontiformes
Heterodontiformes is an order of sharks, members of which are known as bullhead or Port Jackson sharks.
http://en.wikipedia.org/wiki/Bullhead_shark
Photograph of two Port Jackson sharks (Heterodontus portusjacksoni) and information from Wikipedia on the anatomical features that distinguish members of the order Heterodontiformes.
http://en.wikipedia.org/wiki/Heterodontus_galeatus
Description and photograph from Wikipedia of this species from the western Pacific.
http://www.flmnh.ufl.edu/fish/Gallery/Descript/HornShark/HornShark.html
Biological profile of Heterodontus francisci with photographs and information on its taxonomy, distribution, distinctive features, reproduction, interaction with humans and status
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