期刊
CRETACEOUS RESEARCH
卷 146, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cretres.2023.105499
关键词
Dental palaeopathology; Dinosauria; Theropoda; Cretaceous; Morocco; Kem Kem Group
This passage describes the discovery of a unique tooth from the Ifezouane Formation in eastern Morocco, which exhibits a series of severe paleopathologies, including enhanced inner curvature to the crown and the formation of three deep grooves. This is the first report of external dental pathologies in a spinosaurine spinosaurid tooth.
A single tooth identified as cf. Spinosaurus sp. from the Ifezouane Formation of the Kem Kem Group of eastern Morocco is noteworthy for a series of extensive palaeopathologies. These include an enhanced lingual curvature to the crown and the development of three deep grooves extending from at least the crown root junction to the apex of the crown. An attenuated carina is present but this does not extend to the crown tip, and neither does it start at the crown base. A wear facet is also present at the tip. This is the first report of external dental pathologies in the tooth of a spinosaurine spinosaurid.(c) 2023 Elsevier Ltd. All rights reserved.
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