Fossil range: Early Carboniferous - Permian
Artist's hypothetical rendition of Helicoprion bessonovi.
| Scientific classification
The Agassizodontidae are an extinct and poorly known family of bizarre sharks. They possessed a unique "tooth-worl" on the symphysis of the lower jaw as well as pectoral fins supported by long radials.
- 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