In a message dated 7/13/00 8:00:59 PM EST, sarima@friesen.net writes: << It is possible that the long necks in sauropods are in a sense relicts of their prosauropod-ish ancestry, which have been co-opted for some other purposes in the larger animals. >> Prosauropods are not "sauropod ancestors" (popular misconception that still holds sway); they're a sauropod sister group.