Crassonotidae
The Crassonotidae are an extinct family of sharks. It contains eight species in four genera, in the order Hexanchiformes.Species
- Crassodontidanus Kriwet & Klug, 2011
- * Crassodontidanus serratus Fraas, 1855
- * Crassodontidanus wiedenrothi Thies, 1983
- Notidanoides Maisey, 1986
- * Notidanoides muensteri Agassiz, 1843
- Notidanus Cuvier, 1816
- * Notidanus amalthei Oppel, 1854
- * Notidanus atrox Ameghino, 1899
- * Notidanus intermedius Wagner, 1862
- * Notidanus nikitini Chabakov & Zonov, 1935
- Pachyhexanchus Cappetta, 1990
- * Pachyhexanchus pockrandti Ward & Thies, 1987