Ptychotrygon Temporal range: | |
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Ptychotrygon sp. oral teeth from the Cretaceous of Texas, USA | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Order: | Rajiformes |
Suborder: | † Sclerorhynchoidei |
Family: | † Ptychotrygonidae |
Genus: | † Ptychotrygon Jaekel, 1894 |
Species | |
See text. |
Ptychotrygon is a genus of sawfish-like ray whose fossils have been found worldwide from the Cretaceous period (Albian-Maastrichtian). [1] Along with Ptychotrygonoides , Texatrygon , and Asflapristis , it is the member of the family Ptychotrygonidae within the suborder Sclerorhynchoidei. [2] [3]
The following species are considered valid: [4] [2]