Re: What is a dinosaur?

[Dinogeorge@aol.com]

In a message dated 96-01-11 12:56:49 EST, nking.ucs@smtp.usi.edu (King, Norm)
writes:

>Actually, it may be adequate 
>just to say "saurians with erect posture."

Like pterosaurs, the earliest (= most basal) members of the clade Dinosauria
may not have had erect posture. Some prosauropods and early ornithischians
had a slightly "bowlegged" stance, as revealed by the angle of the femoral
head and the configuration of the metatarsal bones.