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Re: New Feathered Dinosaur

In a message dated 5/2/01 12:51:26 PM EST, twilliams_alpha@hotmail.com writes:

<< If the bipedal crocodylomorphs of the Triassic period (usually referred to 
 as sphenosuchians) represent a monophyletic group, then it is likely that 
 upright posture and bipedality are derived characters within the 
 Crocodylomorpha, evolved within the sphenosuchian lineage. >>

Sphenosuchians were not bipedal AFAIK; but hallopodid crocs apparently were.