Dinogeorge said:
Nobody has claimed that these animals lived in trees! (Where do these notions
come from???)
The tree-dwelling ancestors of Herrerasaurus, Dilophosaurus,
and so forth would have been small Middle Triassic animals a foot or two long
(with tail).
Their large cursorial, terrestrial descendants had abandoned
tree-dwelling for millions of years and evolved a suite of cursorial,
terrestrial adaptations that changed the shapes of their feet and hands (for
example).
Can you see any arboreal adaptations in the skeleton of an ostrich? Yet most ornithologists will claim that it had an arboreal ancestral form.
Matt Bonnan
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