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ABSTRACT
A new protorosaur is described on the basis of a single specimen from the Ladinian of southern China. Although it has been greatly crushed, it still preserves clear details of the skull and axial skeleton. It possesses a neck that is longer than the trunk and is similar to tanystropheids in having 12 or 13 cervicals. Unusual among protorosaurs, the new form has an elongate snout. It also lacks a clear thyroid fenestra, although there is a slight separation of the pubis and ischium close to the pubic symphysis. The new form adds to the growing diversity and disparity of protorosaur taxa from the Middle Triassic of southern China.
ACKNOWLEDGMENTS
H. Zhou expertly prepared the specimen and the photographs were taken by W. Gao. We thank L.-J. Zhao for access to specimens of Dinocephalosaurus in the Zhejiang Natural History Museum. D. Dilkes and an anonymous referee made many helpful comments on an earlier draft of the manuscript. Li Chun is supported by the National Natural Science Foundation of China (NNSFC-41072014).
Handling editor: Randall Irmis
