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RE: The best formations for fossilizing Tyrannosaurids in?





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> Date: Sun, 4 Dec 2011 00:14:17 -0800
> From: mickey_mortimer111@msn.com
> To: dinosaur@usc.edu
> Subject: RE: The best formations for fossilizing Tyrannosaurids in?
 
thank you

> Check out my website 
> http://home.comcast.net/~eoraptor/Phylogeny%20of%20Taxa.html for the answers. 
> The exception is Gorgosaurus and Albertosaurus,
 
and three others.  (Guanlong, Dilong, Tanycolagreus; but nobody's perfect)
 
 
that said, I appreciate the help you gave.  (and the prompt response)
 
 
> which have incomplete entries. For Albertosaurus, Tanke and Currie (2010) 
> detail the remains, which are all from the Horseshoe Canyon Formation of 
> Alberta. For Gorgosaurus, most are from the Dinosaur Park Formation of the 
> Judith River Group. There are probably fragmentary specimens referred to 
> Albertosaurus and Gorgosaurus from other formations, but I'm not sure of 
> their validity.
>
> Tanke and Currie, 2010. A history of Albertosaurus discoveries in Alberta, 
> Canada. Canadian Journal of Earth Sciences. 47, 1197-1211.
>
> Mickey Mortimer
>
> ----------------------------------------
> > Date: Sun, 4 Dec 2011 02:43:08 +0000
> > From: keenir@hotmail.com
> > To: dinosaur@usc.edu
> > Subject: The best formations for fossilizing Tyrannosaurids in?
> >
> >
> >
> >
> > I was reading _Feathered Dinosaurs_ by J.Long and P.Schouten, and I noticed 
> > that only some of the Tyrannosauroids mentioned a formation they hail from.
> >
> > Which got me curious, so I thought I'd ask the experts:
> >
> > Which formations have given us the best/most complete fossils of each 
> > genera?
> >
> >
> > _Tanycolagreus topwilsoni_ (?Tyrannosaurid?), Late Jurassic Morrison 
> > Formation, 4 meters long.
> >
> > _Dilong paradoxus_, Early Cretaceous Yixian Formation, 1.6 meters long.
> >
> > _Guanlong wucai_, Late Jurassic, 3 meters long.
> >
> > _Alioramus remotus_, Late Cretaceous, 6 meters long.
> >
> > _Alectrosaurus olseni_, Late Cretaceous Iren Dabasu Formation & Bayanshiree 
> > Svita (Omnogov), 5 meters long.
> >
> > _Appalachiosaurus montgomeriensis_, Late Cretaceous, 7 meter long juvinile.
> >
> > _Tarbosaurus bataar_, Late Cretaceous, 14 meters long.
> >
> > _Tyrannosaurus rex_, Late Cretaceous, 12.5 meters long.
> >
> > _Daspletosaurus torosus_, Late Cretaceous, 9 meters long.
> >
> > _Albertosaurus sarcophagus_, Late Cretaceous, 9 meters long.
> >
> > _Gorgosaurus libratus_, Late Cretaceous, 9 meters long.
> >
> >
> > thank you.
> >
> >
>