Diademodus utahensis
Ginter, 2008
Classification: Elasmobranchii Phoebodontiformes Phoebodontidae
Reference of the original description
Devonian filter-feeding sharks. Acta Geologica Polonica, 58(2), 147–153
Devonian filter-feeding sharks. Acta Geologica Polonica, 58(2), 147–153
Description:
Citation: Diademodus utahensis Ginter, 2008: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
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Diademodus utahensis Ginter, 2008; Late Devonian, Frasnian, Little Mile-and-a-Half Canyon, Utah © Michal Ginter
Diademodus utahensis Ginter, 2008; Late Devonian, Frasnian, Little Mile-and-a-Half Canyon, Utah © Michal Ginter
Description
Original diagnosis after Ginter, 2008 [966]: Teeth with multicuspid crowns based on the phoebodont pattern, but with more numerous intermediate cusplets (three to seven on each side) than in typical phoebodonts. All the cusps very delicate, smooth, and rounded in cross section, as in Phoebodus fastigatus. The main cusps and the larger intermediate cusplets slightly sigmoidal, with a vague lateral carina. The base trapezoidal with rounded angles, short labio-lingually, similar to that of Ph. latus, but with only faint traces of articulation devices in a form of a weak basolabial shelf and a mesio-distally elongated orolingual hump.
Original diagnosis after Ginter, 2008 [966]: Teeth with multicuspid crowns based on the phoebodont pattern, but with more numerous intermediate cusplets (three to seven on each side) than in typical phoebodonts. All the cusps very delicate, smooth, and rounded in cross section, as in Phoebodus fastigatus. The main cusps and the larger intermediate cusplets slightly sigmoidal, with a vague lateral carina. The base trapezoidal with rounded angles, short labio-lingually, similar to that of Ph. latus, but with only faint traces of articulation devices in a form of a weak basolabial shelf and a mesio-distally elongated orolingual hump.
References
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1









