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RE: Cameron the baby tyrannosaur



Isn't the Horseshoe Canyon Formation in Alberta? I believe "Cameron" was found 
in Montana.

Bruce

----------------------------------------
> Date: Sun, 3 Jul 2011 09:24:20 -0600
> From: qi_leong@hotmail.com
> To: villandra@austin.rr.com; vrtpaleo@usc.edu; dinosaur@usc.edu
> Subject: RE: Cameron the baby tyrannosaur
>
>
> Because it's from the Horseshoe Canyon Formation, the sediments are generally 
> mud and sandstones that preserve objects well in three dimensions, but not 
> non-bony tissues (highly organic environment means rapid decay of tissues). 
> So, sadly, no. There are very few lagerstaetten in the Late Cretaceous, and 
> the only tyrannosaurs from them is *Dilong paradoxus* which, unfortunately, 
> has well preserved integument, but is poor on the three dimensionality; 
> likewise, *Guanlong wucaii* from the Shishugou Formation preserves 
> dimensionality very well -- see 
> http://upload.wikimedia.org/wikipedia/commons/1/1b/Guanlong.jpg -- but again 
> no tissues. So far, it's either/or.
>
> Cheers,
>
> Jaime A. Headden
> The Bite Stuff (site v2)
> http://qilong.wordpress.com/
>
> "Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)
>
>
> "Ever since man first left his cave and met a stranger with a
> different language and a new way of looking at things, the human race
> has had a dream: to kill him, so we don't have to learn his language or
> his new way of looking at things." --- Zapp Brannigan (Beast With a Billion 
> Backs)
>
>
> ----------------------------------------
> > Date: Sun, 3 Jul 2011 08:35:37 -0500
> > From: villandra@austin.rr.com
> > To: VRTPALEO@usc.edu; dinosaur@usc.edu
> > Subject: Re: Cameron the baby tyrannosaur
> >
> > If it's a baby tyrannosaur, is there any signs if it had feathers? The
> > theory is that adult tyrannosaurs didn't have feathers because they were so
> > large, like elephants and hippopottamuses, but baby tyrannosaurs hatched as
> > cute fluffy chicks.
> >
> > Dora
> > ----- Original Message -----
> > From: "Bruce Woollatt" <brucewoollatt@hotmail.com>
> > To: <dinosaur@usc.edu>; "Vert paleo list" <vrtpaleo@usc.edu>
> > Sent: Saturday, July 02, 2011 11:49 PM
> > Subject: Cameron the baby tyrannosaur
> >
> >
> > >
> > > Hi all; sorry for the double posting
> > >
> > > Just curious what size this animal is; has anyone done any measurements of
> > > this specimen?
> > >
> > > http://www.siyehdevelopment.com/cameron.html
> > >
> > > It says on this website that the specimen was collected and prepared by
> > > the Museum of the Rockies.
> > > Does it have a specimen number?
> > >
> > > Bruce
> > >
> > >
> >
>