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Re: Campbell's even crazier than a MANIAC? (archeopteryx climbing)
Setting aside true arboreality for the moment - how well would they be
have been able to use their claws as crampons for ascending trunks, rocks,
whatever?
Don't crampons work side-to-side? Sickle claws worked top-down and probably
had a cutting edge. They were not round in cross-section.