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Re: Bicycle Dinos vs. QuadroTrack Mammals
From: Mark Sumner <firstname.lastname@example.org>
> There are several lizards which employ a standard quadrapedal gait
> when moving slowly, but switch to a bipedal stance at higher
> speed. ...
> Does the archeosaur body structure share common traits with modern
> lizards that might make bipedality the prefered mode for high
> speed travel?
Well, they at least share a more recent common ancestor than either
does with mammals. The lepidosaurs and the archosaurs constitute the
two main branches of the diapsids.
> Was bipedality actually nothing but a relic from a body form badly
> designed for the FF/BB gait used by mammals at high speed?
The peace of God be with you.