Digit and Ungual Morphology Suggest Adaptations for Scansoriality in the Late Carboniferous Eureptile Anthracodromeus longipes

نویسندگان

چکیده

A new skeleton of the exceedingly rare, late Carboniferous eureptile Anthracodromeus longipes ( Carroll and Baird, 1972 ), reveals presence a reduced phalangeal count in manus pedes uniquely recurved unguals. With these data, we quantitatively evaluate locomotor ecology using morphometric analyses proportions, ungual curvature, shape. Our findings indicate that anatomy likely facilitated scansorial clinging to some degree via distally unguals increased surface area large pes. This suggests was among earliest amniotes show climbing abilities, pushing back origins scansoriality by at least 17 million years. It further arose soon after origin amniotes, allowing them exploit wide range novel terrestrial niches.

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ژورنال

عنوان ژورنال: Frontiers in Earth Science

سال: 2021

ISSN: ['2296-6463']

DOI: https://doi.org/10.3389/feart.2021.675337