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RE: Heterodontosaurs and "dinofuzz"



I have a copy of the article... thanks, List!
 
Guy Leahy

----------------------------------------
> Date: Sat, 29 Aug 2009 15:29:33 -0700
> From: xrciseguy@q.com
> To: dinosaur@usc.edu
> Subject: Heterodontosaurs and "dinofuzz"
>
>
> DMLers,
>
> If anyone has a .pdf of this article they could send me offlist, I would 
> greatly appreciate it!
> ---------------------------------------------------
> Nature. 2009 Mar 19;458(7236):333-6.
>
> Comment in:
> Nature. 2009 Mar 19;458(7236):293-5.
>
> An Early Cretaceous heterodontosaurid dinosaur with filamentous integumentary 
> structures.
> Zheng XT, You HL, Xu X, Dong ZM.
> Shandong Tianyu Museum of Nature, Lianhuashan Road West, Pingyi, Shandong, 
> 273300, China.
> Ornithischia is one of the two major groups of dinosaurs, with 
> heterodontosauridae as one of its major clades. Heterodontosauridae is 
> characterized by small, gracile bodies and a problematic phylogenetic 
> position. Recent phylogenetic work indicates that it represents the most 
> basal group of all well-known ornithischians. Previous heterodontosaurid 
> records are mainly from the Early Jurassic period (205-190 million years ago) 
> of Africa. Here we report a new heterodontosaurid, Tianyulong confuciusi gen. 
> et sp. nov., from the Early Cretaceous period (144-99 million years ago) of 
> western Liaoning Province, China. Tianyulong extends the geographical 
> distribution of heterodontosaurids to Asia and confirms the clade's 
> previously questionable temporal range extension into the Early Cretaceous 
> period. More surprisingly, Tianyulong bears long, singular and unbranched 
> filamentous integumentary (outer skin) structures. This represents the first 
> confirmed report, to our knowledge, of filamentous integumentary structures 
> in an ornithischian dinosaur.
> ----------------------------------------------------------------------
>
> Guy Leahy