Kingdom Animalia Suborder †Sclerorhynchoidei Phylum Chordata | Class Chondrichthyes Family †Ptychotrygonidae Order Sclerorhynchiformes | |
Genus †Ptychotrygon
Jaekel 1894 Similar Sclerorhynchus, Rhombodus, Pseudocorax, Spathobatis, Libanopristis | ||
Ptychotrygon is a genus of sawfish-like Cretaceous ray whose fossils have been found worldwide. It is the only genus in the family Ptychotrygonidae.
References
Ptychotrygon Wikipedia(Text) CC BY-SA