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RE: Yulong, new oviraptorid from China known from baby specimens



The species name is _Yulong mini_, which simply refers to the small size, not 
someone named Min.



> Date: Fri, 11 Jan 2013 19:12:08 -0800
> From: bcreisler@gmail.com
> To: dinosaur@usc.edu
> Subject: Yulong, new oviraptorid from China known from baby specimens
> 
> From: Ben Creisler
> bcreisler@gmail.com
> 
> A new online paper. The new taxon appears to be named Yulong but I
> haven't seen the full paper yet.
> 
> Junchang Lü, Philip J. Currie, Li Xu, Xingliao Zhang, Hanyong Pu &
> Songhai Jia (2013)
> Chicken-sized oviraptorid dinosaurs from central China and their
> ontogenetic implications.
> Naturwissenschaften (advance online publication)
> DOI: 10.1007/s00114-012-1007-0
> http://link.springer.com/article/10.1007/s00114-012-1007-0
> 
> 
> 
> Oviraptorids are a group of specialized non-avian theropod dinosaurs
> that were generally one to 8 m in body length. New specimens of baby
> oviraptorids from the Late Cretaceous of Henan Province are some of
> the smallest individuals known. They include diagnostic characters
> such as the relative position of the antorbital fenestra and the
> external naris, distinct opening in the premaxilla anteroventral to
> the external naris, antorbital fossa partly bordered by premaxilla
> posterodorsally, lacrimal process of premaxilla does not contact the
> anterodorsal process of the lacrimal, parietal almost as long as
> frontal; in dorsal view, posterior margin forms a straight line
> between the postzygapophyses in each of the fourth and fifth
> cervicals; femur longer than ilium. They also elucidate the
> ontogenetic processes of oviraptorids, including fusion of cranial
> elements and changes in relative body proportions. Hind limb
> proportions are constant in oviraptorids, regardless of absolute body
> size or ontogenetic stage. This suggests a sedentary lifestyle that
> did not involve the pursuit of similar-sized prey. The functional
> implications for bite force and therefore dietary preferences are
> better understood through the study of such small animals. The
> comparison of the measurements of 115 skeletons indicates that
> oviraptorids maintain their hind limb proportions regardless of
> ontogenetic stage or absolute size, which is a pattern seen more
> commonly in herbivores than in carnivores. This may weakly support the
> hypothesis that oviraptorids are herbivores rather than active
> carnivores.