Ptychotrygon
Appearance
Ptychotrygon Temporal range: Cretaceous,
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Superorder: | Batoidea |
Order: | Rajiformes |
Suborder: | †Sclerorhynchoidei |
Family: | †Ptychotrygonidae |
Genus: | †Ptychotrygon Jaekel 1894 |
Ptychotrygon is a genus of sawfish-like Cretaceous ray whose fossils have been found worldwide.[1] It is the only genus in the family Ptychotrygonidae.[2]
References
- ^ "Fossilworks: Ptychotrygon". fossilworks.org. Retrieved 2016-04-11.
- ^ "Fossilworks: Ptychotrygonidae". fossilworks.org. Retrieved 2016-04-11.