Chondrichthyes - Eugeneodontiformes - Helicoprionidae
Alternative combination: Edestus davisii
Synonyms: Helicoprion ferrieri Hay 1907, Helicoprion jingmenense Chen et al. 2007, Helicoprion sierrensis Wheeler 1939, Lissoprion ferrieri Hay 1907
Belongs to Helicoprion according to L. Tapanila and J. Pruitt 2013
See also Bendix-Almgreen 1966, Chen et al. 2007, Hay 1909, Kelly and Zangerl 1976, Tapanila et al. 2013, Teichert 1940, Wheeler 1939 and Woodward 1891
Sister taxa: Helicoprion bessonowi, Helicoprion ergassaminon
Distribution:
• Permian of Australia (1 collection), Canada (2: Nunavut), China (1), Mexico (1), United States (11: California, Idaho, Texas, Wyoming)
Total: 16 collections including 17 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.