A second soundly sleeping dragon: new anatomical details of the Chinese troodontid Mei long with implications for phylogeny and taphonomy.

por Chunling Gao, Eric M Morschhauser, David J Varricchio, Jinyuan Liu, Bo Zhao
Publicado 2012

Common avian infection plagued the tyrant dinosaurs.

por Ewan D S Wolff, Steven W Salisbury, John R Horner, David J Varricchio
Publicado 2009

Tiny, ornamented eggs and eggshell from the Upper Cretaceous of Utah represent a new ootaxon with theropod affinities

por Sara E. Oser, Karen Chin, Joseph J. W. Sertich, David J. Varricchio, Seung Choi, Jeffrey Rifkin
Publicado 2021