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1 November 2017 A New diapsid from the Middle Triassic of southern China
Chun Li, Nicholas C. Fraser, Olivier Rieppel, Li-Jun Zhao, Li-Ting Wang
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Abstract

The Middle and early Late Triassic of southern China is well known for a remarkable diversity of marine vertebrates, particularly reptiles, including an abundance of intriguing new forms (e.g., Jiang et al., 2005; Hu et al., 2011; Li et al., 2016). Here we describe a new diapsid from Yunnan Province. It possesses an elongate neck that exhibits a remarkable similarity to that of many Protorosauria, yet in other respects the skull and postcranium are much less derived.

The new taxon is part of the so-called Panxian-Luoping Fauna and the deposits correspond to the Upper Member of the Guanling Formation, comprising thin to medium bedded, gray to dark-gray laminated marly limestone and limestone, with several layers of bentonite intercalated in the fossil level at Panxian (Wan, 2002; Motani et al., 2008; Jiang et al., 2009). Their age is Pelsonian (middle Anisian, Middle Triassic) as is indicated by the conodont Nicoraella kockeli Zone (Sun et al., 2006; Zhang et al., 2009). A recent U-Pb study indicates the absolute age of these middle Anisian beds to be close to 244 Ma (Wang et al., 2014).

© 2017, The Paleontological Society
Chun Li, Nicholas C. Fraser, Olivier Rieppel, Li-Jun Zhao, and Li-Ting Wang "A New diapsid from the Middle Triassic of southern China," Journal of Paleontology 91(6), 1306-1312, (1 November 2017). https://doi.org/10.1017/jpa.2017.12
Accepted: 1 February 2017; Published: 1 November 2017
JOURNAL ARTICLE
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