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Re: Mesozoic mammals - trees or ground
Do most of the known Mesozoic mammals exhibit evidence of their
living in trees, on the ground...or is it like with Archie, and the
evidence could be interpretted either way?
Most known Mesozoic mammals are only known from isolated teeth, at most
jaw fragments... the ones where the postcranial skeleton is known are
about 50:50, AFAIK (unless I've underestimated the terrestrial
multituberculates from the Late Cretaceous of Mongolia).
(_Volatacotherium_'s a definate tree-dweller, I know; _Repomanus_(sp)
seems too bulky to be very good at climbing)
*Repenomamus* -- a very clumsily formed name; -mam- as in Mammalia, +
-us -- had, AFAIK, hands and feet that suggest a terrestrial lifestyle,
as did its smaller relative *Gobiconodon*.