Agassizodontidae Fossil range: 360–251 Ma PreЄ Є O S D C P T J K Pg N Early Carboniferous to Permian
Helicoprion bessonovi
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Superorder:	Selachimorpha
Order:	†Eugeneodontida
Family:	Agassizodontidae Zangerl, 1981
Genera
Agassizodus Arpagodus Campyloprion Helicoprion Sarcoprion Toxoprion

The Agassizodontidae are an extinct and poorly known family of bizarre sharks. They possessed a unique "tooth-whorl" on the symphysis of the lower jaw as well as pectoral fins supported by long radials.

[edit] External links

• Palaeos Vertebrates 70.100 Chondrichthyes: Eugnathostomata at paleos.com
• JSTOR: Journal of PaleontologyVol. 70, No. 1 (Jan., 1996), pp. 162-165
• More about Chondrichthyes at Denovian Times

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