Dasyatis concavifoveus

Cvancara & Hoganson, 1993


Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
Cvancara, A.M. & Hoganson, J.W. (1993)
Vertebrates of the Cannonball Formation (Paleocene) in North and South Dakota. Journal of Vertebrate Paleontology, 13(1), 1–23

Types
Dasyatis concavifoveus
Holotype: USNM.: 456243; Paratype: USNM.: 456244; USNM.: 456245; USNM.: 456246; USNM.: 456247; USNM.: 456248;


Description:


Citation: Dasyatis concavifoveus Cvancara & Hoganson, 1993: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 10/2024

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Description
Original diagnose after Cvancara & Hoganson (1993) p. 10 [596]: Female teeth with subelliptical to subhexagonal occlusal outline; labial face of crown slightly concave and pitted. Male teeth with subhexagonal occlusal outline; labial face slightly concave and pitted.

Remarks
shark-references Species-ID=1783;
valid after Cvancara & Hoganson (1993) p. 10 [596]; Hoganson et al. (2019) p. 40 [27441];


References
Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080
Cvancara, A.M. & Hoganson, J.W. (1993)
Vertebrates of the Cannonball Formation (Paleocene) in North and South Dakota. Journal of Vertebrate Paleontology, 13(1), 1–23
DOI: 10.1080/02724634.1993.10011484