Ptychotrygonidae

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

Last updated October 05, 2025

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

↑ 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 .
↑ 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.

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[Kriwet_et_al._2009-1] 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 .

[Begat_et_al._2023-2] 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.

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