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RE: Growth-spurt



See also:

JVP-2004-Padian et al- dinosaur - pterosaur growth

Denver.


--- "Thomas R. Holtz, Jr." <tholtz@geol.umd.edu>
wrote:

> > From: owner-dinosaur@usc.edu
> [mailto:owner-dinosaur@usc.edu]On Behalf Of
> > TooTs
> >
> > Hi, everyone!
> > I remember mention of a "growth-spurt" in at least
> one of the articles about
> > "Jane".
> > Is the "growth-spurt" secure or more on the
> speculative side?
> > Are such "growth-spurts" known in other theropods?
> > Thanks in advance
> > Torsten van der Lubbe
> >
> "Growth Spurts" seem to be found in all the dinosaur
> fossil growth series studied: the tyrannosaurids
> Tyrannosaurus, Daspletosaurus,
> Gorgosaurus, and Albertosaurus; the alvarezsaurid
> Shuvuuia; the coelophysoid Synt... er, Megap..., er,
> Coelophysis (;-); the
> prosauropod Massospondylus; the diplodocoid
> Apatosaurus; the ceratopsian Psittacosaurus; and the
> hadrosaurid Maiasaura. In fact,
> MOST animals show some period of accelerated growth
> in their life cycle.
> 
> See
> Erickson, G.M., K. Curry Rogers & S.A. Yerby. 2001.
> Dinosaurian growth patterns and rapid avian growth
> rates. Nature 412: 429-433.
> and
> Erickson, G.M., P.J. Makovicky, P.J. Currie, M.A.
> Norell, S.A. Yerby & C.A. Brochu. 2004. Gigantism
> and comparative life-history
> parameters of tyrannosaurid dinosaurs. Nature
> 430:772-775.
> for the details.
> 
>               Thomas R. Holtz, Jr.
>               Vertebrate Paleontologist
> Department of Geology         Director, Earth, Life & Time
> Program
> University of Maryland                College Park Scholars
>       Mailing Address:
>               Building 237, Room 1117
>               College Park, MD  20742
> 
> http://www.geol.umd.edu/~tholtz/
> http://www.geol.umd.edu/~jmerck/eltsite
> Phone:        301-405-4084    Email:  tholtz@geol.umd.edu
> Fax (Geol):  301-314-9661     Fax (CPS-ELT):
> 301-405-0796
> 
> 



        
        
                
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