Ontology highlight
ABSTRACT:
SUBMITTER: Persons WS
PROVIDER: S-EPMC4379468 | biostudies-literature | 2015 Mar
REPOSITORIES: biostudies-literature
Scientific reports 20150331
The hypothesis that oviraptorosaurs used tail-feather displays in courtship behavior previously predicted that oviraptorosaurs would be found to display sexually dimorphic caudal osteology. MPC-D 100/1002 and MPC-D 100/1127 are two specimens of the oviraptorosaur Khaan mckennai. Although similar in absolute size and in virtually all other anatomical details, the anterior haemal spines of MPC-D 100/1002 exceed those of MPC-D 100/1127 in ventral depth and develop a hitherto unreported "spearhead" ...[more]