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Vertebrata Palasiatica ›› 2022, Vol. 60 ›› Issue (1): 54-58.DOI: 10.19615/j.cnki.2096-9899.210810

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

WU Rui1,*(), TU Li2, HAN Feng-Lu1,*()   

  1. 1 School of Earth Sciences, China University of Geoscience (Wuhan) Wuhan 430074
    2 Exploration & Development Research Institute, Henan Oil field Company SINOPEC Nanyang 473132
  • Received:2021-07-20 Online:2022-01-20 Published:2022-02-14


武瑞1,*(), 涂黎2, 韩凤禄1,*()   

  1. 1 中国地质大学(武汉)地球科学学院 武汉 430074
    2 中国石化河南油田分公司勘探开发研究院 南阳 473132


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.

Key words: Ordos Basin, Middle Triassic, Tongchuan Formation, Temnospondyli, tooth



关键词: 鄂尔多斯盆地, 中三叠世, 铜川组, 离片椎类, 牙齿

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