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大脚类

大脚类
化石时期:三叠纪晚期到白垩纪晚期,228–66 Ma
数种原始大脚类的上颌牙齿:A.莱氏龙、B.远食龙、C.大椎龙)、D.里奥哈龙
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 蜥形纲 Sauropsida
总目: 恐龙总目 Dinosauria
目: 蜥臀目 Saurischia
亚目: 蜥脚形亚目 Sauropodomorpha
演化支 悍龙类 Bagualosauria
演化支 板龙类 Plateosauria
演化支 大脚类 Massopoda
Yates,2006
分类支[1]

见正文

大脚类(学名:Massopoda)是蜥脚形亚目的一个演化支,生存于三叠纪晚期到白垩纪晚期。大脚类是由金山大学的古生物学家亚当·耶茨(Adam Yates)在2007年所提出,他将大脚类定义为:在蜥脚形亚目中,亲缘关系接近萨尔塔龙,而离板龙较远的所有物种[2]。但是,其他科学家还没有普遍采用这名称。

在2007年,耶茨将大脚类归类于板龙类。大脚类包含大椎龙科里奥哈龙科等科[3]。基础蜥脚形亚目的系统发生学仍在持续研究中,而大脚类是否有其他科学家使用,还有待观察。

以下演化树出自Blair McPhee与其同事在2014年的研究。 [1]

 大脚类 Massopoda 
 里奥哈龙科 Riojasauridae 

优胫龙属 Eucnemesaurus

里奥哈龙属 Riojasaurus

大椎龙科 Massospondylidae

 Sauropodiformes 

云南龙属 Yunnanosaurus

金山龙属 Jingshanosaurus

沙怪龙属 Seitaad

近蜥龙类 Anchisauria

本类包括以下科和属:

里奥哈龙科 Riojasauridae
大椎龙科 Massospondylidae
蜥脚形类 Sauropodiformes
近蜥龙类 Anchisauria

参考资料

  1. ^ 1.0 1.1 McPhee, B. W.; Yates, A. M.; Choiniere, J. N.; Abdala, F. The complete anatomy and phylogenetic relationships of Antetonitrus ingenipes(Sauropodiformes, Dinosauria): Implications for the origins of Sauropoda. Zoological Journal of the Linnean Society. 2014, 171: 151. doi:10.1111/zoj.12127. 
  2. ^ Yates, Adam M. Solving a dinosaurian puzzle: the identity of Aliwalia rex Galton. Historical Biology. 2007, 19 (1): 93–123. 
  3. ^ Yates, Adam M. The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria). In Barrett & Batten (eds.), Evolution and Palaeobiology. 2007, 77: 9–55. ISBN 9781405169332. 
  4. ^ 4.0 4.1 Cecilia Apaldetti, Ricardo N. Martinez, Oscar A. Alcober, Diego Pol. A New Basal Sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina. PLOS ONE. 2011-11-09, 6 (11): e26964 [2018-04-02]. ISSN 1932-6203. doi:10.1371/journal.pone.0026964. (原始内容存档于2015-10-27) (英语). 
  5. ^ Paul M. Barrett, Kimberley E. J. Chapelle, Lara Sciscio, Timothy J. Broderick, Michel Zondo, Darlington Munyikwa, and Jonah N. Choiniere. 2024. A new Late Triassic sauropodomorph dinosaur from the Mid-Zambezi Basin, Zimbabwe. Acta Palaeontologica Polonica 69 (2); 227-241. DOI: 10.4202/app.01100.2023
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大脚类
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