Sereno, Tan and Zhao Xijin, professor in the Chinese Academy of Sciences, led the 2001 expedition that found the fossils. Team members also included David Varricchio of Montana State University (MSU), and Jeffrey Wilson of the University of Michigan (UM). The findings are published in the December 2008 issue of Acta Palaeontologica Polonica, and the work was funded by the National Geographic Society and the David and Lucile Packard Foundation.


Map of the central and northern portions of site showing the position of 12 of 13 skeletons.

Fossil locality (4117’ 10“N, 10352’38“E) located 90 km northwest of Bayan Mod, Inner Mongolia, China.

Trends of skeletons have a strong, non−random (p < 0.002) alignment to southeast. Flow direction of ripples is roughly perpendicular to that of elongate elements.