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1. chinaXiv:202108.00084 [pdf]

A Temnospondyl Tooth from the Middle Triassic of the Ordos Basin, Shaanxi Province

WU Rui; TU Li; HAN Feng-Lu
Subjects: Biology >> Zoology

An isolated large temnospondyl tooth was discovered from the Middle Triassic Tongchuan Formation, Weibei Oilfield, Ordos Basin, Shaanxi Province of China. Compared with the teeth of crocodylomorphs, plesiosaurs and temnospondyls, the tooth can be referred to temnospondyl based on the following features: the crown is elongated and recurved with a circular cross-section; there are no denticles or carinae on the crown; well-marked apicobasal grooves are shown on the crown surface. This tooth represents the first temnospondyl found in the Middle Triassic Tongchuan Formation and is the youngest fossil record of temnospondyls in the North China Block.

submitted time 2021-08-11 From cooperative journals:《古脊椎动物学报》 Hits4244Downloads274 Comment 0

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