Eucrossorhinus microcuspidatus

Case, 1978


Classification: Elasmobranchii Orectolobiformes Orectolobidae

Reference of the original description
Case, G.R. (1978)
A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica, Abt. A, 160(1–6), 176–205

Types
Eucrossorhinus microcuspidatus
Holotype: USTL: MTA 8;


Description:


Citation: Eucrossorhinus microcuspidatus Case, 1978: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Description
Original diagnose after Case (1978) p. 187 [388]: Teeth of microscopic size, less than 1 mm in height, a lengthy central cusp, sigmoid, with a sharp lateral carinae; lateral, well developed cusplets (cf. Text-fig. 8a), being l / 5 t h of the total height of the central cusp.

Remarks
shark-references Species-ID=2199;
valid after Case (1978) p. 187 [388];

synonym of Cretorectolobus olsoni after Siverson (1995) p. 978 [2215];


References
Brinkman, D.B. & Braman, D.R. & Neuman, A.G. & Ralrick, P.E. & Sato, T. (2005)
A Vertebrate Assemblage from the Marine Shales of the Lethbridge Coal Zone. In P. J. Currie and E. B. Koppelhus(eds.) Dinosaur Provincial Park, A spectacular ancient ecosystem revealed. Indiana University Press, Bloomington and Indianapolis, Indiana: 486–500
Beavan, N.R. & Russell, A.P. (1999)
An elasmobranch assemblage from the terrestrial-marine transitional Lethbridge Coal Zone (Dinosaur Park Formation: Upper Campanian), Alberta, Canada. Journal of Paleontology, 73(3), 494–503
Case, G.R. (1987)
A new selachian fauna from the Late Campanian of Wyoming (Teapot Sandstone Member, Mesaverde Formation, Big Horn Basin). Palaeontographica, Abt. A, 197(1–3), 1–37
Case, G.R. (1978)
A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica, Abt. A, 160(1–6), 176–205