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new Alamosaurus paper
Greetings,
The online version of the latest Journal of Paleontology is up, and includes
the following:
THOMAS M. LEHMAN and ALAN B. COULSON. 2001. A JUVENILE SPECIMEN OF THE
SAUROPOD DINOSAUR ALAMOSAURUS SANJUANENSIS FROM THE UPPER CRETACEOUS OF BIG
BEND NATIONAL PARK, TEXAS. Journal of Paleontology: Vol. 76, No. 1, pp.
156?172.
(online version is:
http://www.bioone.org/bioone/?request=get-document&issn=0022-3360&volume=076
&issue=01&page=0156)
The specimen is from just below the K/T boundary as preserved at Big Bend.
It's a fairly little guy: humerus is 605 mm as opposed to 1503 mm for the
big Texas Memorial Museum specimen. No skull, but major vertebral and
appendicular parts of the body are represented.
No cladograms (sorry, cladophiles!), but there is a very nice pair of
skeletal reconstructions of _Alamosaurus_: quite an elegant beast, actually:
sort of a long tailed skinny brachiosaur-like form. Big, too: estimated
mass at 30 tonnes using Anderson et al.'s (1985) technique.
Thomas R. Holtz, Jr.
Vertebrate Paleontologist
Department of Geology Director, Earth, Life & Time Program
University of Maryland College Park Scholars
College Park, MD 20742
http://www.geol.umd.edu/~tholtz/tholtz.htm
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