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Re: Morrison Dinosaurs

"Plus some sauropod genera of controversial validity, like _Eobrontosaurus_ (?=_Camarasaurus_) and _Dystrophaeus_ "

I agree that Eobrontosaurus is a controversial (and IMHO unlikely) genus, but it is NOT Camarasaurus. It is an apatosaurine diplodocid. Please, please, please everyone, go take a look at it yourselves if you don't want to take my word for it (certainly don't rely upon the type description!), but it is clearly a (largely unprepped) apatosaur.

Scott Hartman
Science Director
Wyoming Dinosaur Center
110 Carter Ranch Rd.
Thermopolis, WY 82443
(800) 455-3466 ext. 230
Cell: (307) 921-8333


-----Original Message-----
From: Tim Williams <twilliams_alpha@hotmail.com>
To: dinosaur@usc.edu
Sent: Thu, 26 Jan 2006 21:47:53 -0600
Subject: Re: Morrison Dinosaurs

Ken Carpenter wrote: 
Amphicoelias 58 m very rare 
Apatosaurus 27 m common 
Barosaurus 26 m rare 
Brachiosaurus 23 m rare 
Camarasaurus 18 m very common 
Diplodocus 27 m very common 
Haplocanthosaurus 21 m rare 
Seismosaurus 33 m very rare 
Supersaurus 40 m very rare 
There's also _Suuwassea_ (you'll kick yourself for forgetting that one). Plus some sauropod genera of controversial validity, like _Eobrontosaurus_ (?=_Camarasaurus_) and _Dystrophaeus_ (possibly a nomen dubium). _Dyslocosaurus_ might be from the Morrison. I don't know what to make of _"Apatosaurus" minimus_. 
Andrew McDonald wrote: 
I believe that Palaeopteryx has been omitted. 
Probably a nomen dubium. It's a shame that a potentially iconic name like "Palaeopteryx" was squandered on indeterminate material. Interestingly, the name is not registered at Nomenclator Zoologicus. 
How many specimens of 
Marshosaurus are known beyond the type and the referred partial
Just those two, AFAIK.