Ptychotrygonidae

Ptychotrygonidae Temporal range: Albian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Rajiformes
Suborder:	†Sclerorhynchoidei
Family:	†Ptychotrygonidae Kriwet, Nunn, & Klug, 2009[1]
Genera
†Archingeayia †Asflapristis †Ptychotrygon †Ptychotrygonoides †Texatrygon

Ptychotrygonidae is an extinct family of cartilaginous fish from the Cretaceous period belonging to the suborder Sclerorhynchoidei. This family contains the genera Archingeayia, Asflapristis, Ptychotrygon, Ptychotrygonoides, and Texatrygon.[2]

References

1. Kriwet, J.; Nunn, E.V.; Klug, S. (2009). "Neoselachians (Chondrichthyes, Elasmobranchii) from the Lower and lower Upper Cretaceous of north-eastern Spain". Zoological Journal of the Linnean Society. 155 (2): 316–347. doi:10.1111/j.1096-3642.2008.00439.x.
2. Begat, A.; Kriwet, J.; Gelfo, J.N.; Cavalli, S.G.; Schultz, J.A.; Martin, T. (2023). "The first southern hemisphere occurrence of the extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a review of Ptychotrygon taxonomy". Journal of Vertebrate Paleontology. 42 (2): e2162411. doi:10.1080/02724634.2022.2162411. PMC 7614936. PMID 37564697.