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Re: Blood flow in Sauropods



>Didn't someone show by measuring the neck tendons and vertebral processes
>that diplodocids and mamenchisaurs couldn't have arched their necks
>particularly high, leading to conjectures that they fed by standing in one
>spot and sweeping their super-long necks around in a semi-circle, low-
>browsing like heavy vacuum cleaners with long hoses?

Actually, the ref was in regards to Cetiosaurus.
Furthermore,"mamenchisaurs" (really euhelopodids) had upwards-curving,
brachiosaur-like necks, not the horizontal necks some had advocated.



Thomas R. Holtz, Jr.
Vertebrate Paleontologist
Dept. of Geology
University of Maryland
College Park, MD  20742
Email:Thomas_R_HOLTZ@umail.umd.edu (th81)
Fax: 301-314-9661
Phone:301-405-4084