Cretorectolobus cf. olsoni

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
Cretorectolobus cf. olsoni



Description:


Citation: Cretorectolobus cf. olsoni Case, 1978: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024

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Description
Original diagnose after Case (1978) p. 188 [388]: Teeth small to medium size, ranging from 2 mm up to 5 mm, crown is low, and its cusp is directed towards the interior of the jaw, vestigial cusplets on wide lateral buttresses, and a low uvula overhanging the root area on the labial aspect.

Remarks
shark-references Species-ID=10440;
synonym of Squatina hassei after Hoganson et al. (2019) p. 16 [27441] (in Case and Cappetta, 1997: p. 138, pl. 5, figs. 3, 4);


References
Case, G.R. & Cappetta, H. (1997)
A new selachian fauna from the Late Maastrichtian of Texas (Upper Cretaceous/Navarro Group; Kemp Formation). Münchner Geowissenschaftliche Abhandlungen Reihe A, Geologie und Paläontologie, 34, 131–189, 10 fig., 15 pl.