[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Ah ha! That's where therizinosaurs came from
Mike Keesey <email@example.com> wrote:
> That's only a problem if you assume that "trees-down" is an essential
> part of the neoflightless hypothesis.
(Entitled: "Increasing evidence for an arboreal origin of
dinosaur-avian flight, and for losses of flight in post-urvogel
Sam Barnett <firstname.lastname@example.org> wrote:
> I may be going out on a limb here but are we looking at Archaeopteryx
> expecting features indicative of an arboreal biped when we should be looking
> for an arboreal quadruped? Those forelimb claws must have come in handy for
I agree on one point - there's no doubt that the forelimb claws of
_Archaeopteryx_ were handy for something. Predation? Defense?
Climbing? But when it comes to branch-grasping, the hand was not very
useful at all. Neither the manus nor the pes of _Archaeopteryx_ was
capable of much prehension.