Out on a limb

drepanosaurus divergent evolution convergent evolution forelimb anteaters

Out on an evolutionary limb with divergent evolution and convergent evolution theories producing similar physical characteristic? The Drepanosaurus fossil shows a relatively massive and unique forearm for tetrapods. But this large utensil is also present in modern day anteaters including the pygmy anteater. The tetrapod forelimb is one of the most versatile structures in vertebrate …

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