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Gateway to the Paleobiology Database
Mei long Xu and Norell 2004 (coelurosaur)

Reptilia - Avetheropoda - Troodontidae

PaleoDB taxon number: 68250

Full reference: X. Xu and M. A. Norell. 2004. A new troodontid dinosaur from China with avian-like sleeping posture. Nature 431:838-841

Belongs to Mei according to C. -L. Gao et al. 2012

Sister taxa: none

Type specimen: IVPP V.12733, a skeleton. Its type locality is Lujiatun village, Beipiao (IVPP), which is in an Aptian fluvial tuff in the Yixian Formation of China.

Ecology: ground dwelling carnivore-omnivore

Average measurements (in mm): femur length 81.0, humerus length 42.0, radius length 39.0, scapula length 45.0, skull length 53.0, tibia length 106.0

Estimated body mass: 1.71 kg based on femur length