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RE: Middle Jurassic Yanliao biota in Liaoning Province



They forgot to mention the ornithischian dinosaur, *Tianyulong*.

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> Date: Thu, 28 Jun 2012 11:31:15 -0700
> From: bcreisler@gmail.com
> To: dinosaur@usc.edu
> Subject: Middle Jurassic Yanliao biota in Liaoning Province
>
> From: Ben Creisler
> bcreisler@gmail.com
>
> A new article that may be of interest. The main text is in Chinese but
> the pdf can be downloaded for free.
>
>
> GUO Xiang-qi, HAN Jian-gang & JI Shu-an (2012)
> Advances in the study of vertebrate fossils of the Middle Jurassic
> Yanliao biota in western Liaoning Province and adjacent areas.
> Geological Bulletin of China 31(06):928-935.
> http://www.gbc.ac.cn/ch/reader/view_abstract.aspx?file_no=20120611&flag=1
>
> In recent years, numerous fossil vertebrates, invertebrates and plants
> have been found in the Middle Jurassic Tiaojishan and Jiulongshan
> Formations in western Liaoning, southeastern Inner Mongolia and
> northern Hebei. This biota is called Yanliao biota. Up till now, 28
> species of different vertebrate groups have been formally named, which
> include 1 fish, 4 amphibians, 1 lizard, 12 pterosaurs, 5 theropods,
> and 5 mammals. The vertebrates of this biota have great significance
> for studying the theropod evolution, the pterosaur classification, and
> the lissamphibian diversity. Although the diversity of the Middle
> Jurassic Yanliao biota is less than that of the Early Cretaceous Jehol
> biota, it provides important evidence for understanding the succession
> of the Late Mesozoic biotas in this region.