中国南方广东省上白垩世的大型兽脚类牙齿

IF 1.9 3区地球科学 Q1 GEOLOGY Cretaceous Research Pub Date : 2024-04-23 DOI:10.1016/j.cretres.2024.105914

Lida Xing , Zaoqun Liang , Ke Zhang , Donghao Wang , Xianqiu Zhang , W. Scott Persons IV , Zheng Ren , Zhicong Liang , Minyi Xian , Qiang Zeng

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引用次数: 0

摘要

白垩纪恐龙化石和其他陆生四足动物化石常见于广东省（中国南部），其中以河源盆地、南雄盆地和赣州地区的记录最为集中。再往南，三水盆地有连续的下白垩世-始新世序列。在三水盆地内，上白垩统沉积物中有丰富的介壳动物和软体动物化石，但脊椎骨化石却很少见。在此，我们报告了从三水盆地马斯特里赫特期采集到的四颗孤立的牙齿。这些牙齿虽然残缺不全，但可以确定属于暴龙类。这些牙齿是广东南部地区大型兽脚类的首次记录，也是中国最南端的暴龙类记录。

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Large theropod teeth from the Upper Cretaceous of Guangdong Province, Southern China

Cretaceous dinosaur and other terrestrial tetrapod fossils are common throughout Guangdong Province (southern China), with the greatest documented concentrations in the Heyuan and Nanxiong basins and the Ganzhou area. Further south, the Sanshui Basin has a continuous Lower Cretaceous-Eocene sequence. Within the Sanshui Basin, abundant ostracod and mollusk fossils have been documented from the Upper Cretaceous sediments, but vertebrae fossils are rare. Here we report four isolated teeth collected from the Maastrichtian of the Sanshui Basin. Although fragmentary, the teeth can be confidently referred to the Tyrannosauroidea. These teeth constitute the first record of large theropods in southern Guangdong and are also the southernmost record of tyrannosauroids in China.

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来源期刊

Cretaceous Research 地学-地质学

CiteScore

4.10

自引率

19.00%

发文量

235

审稿时长

12 weeks

期刊介绍： Cretaceous Research provides a forum for the rapid publication of research on all aspects of the Cretaceous Period, including its boundaries with the Jurassic and Palaeogene. Authoritative papers reporting detailed investigations of Cretaceous stratigraphy and palaeontology, studies of regional geology, and reviews of recently published books are complemented by short communications of significant new findings. Papers submitted to Cretaceous Research should place the research in a broad context, with emphasis placed towards our better understanding of the Cretaceous, that are therefore of interest to the diverse, international readership of the journal. Full length papers that focus solely on a local theme or area will not be accepted for publication; authors of short communications are encouraged to discuss how their findings are of relevance to the Cretaceous on a broad scale. Research Areas include: • Regional geology • Stratigraphy and palaeontology • Palaeobiology • Palaeobiogeography • Palaeoceanography • Palaeoclimatology • Evolutionary Palaeoecology • Geochronology • Global events.