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Contact: Cynthia Lee
cynthia.lee@mcgill.ca
514-398-6754
McGill University

Developmental Plasticity and the Origin of Tetrapods

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Caption: Polypterus senegalus walks across a sandy substrate. Fish use their fins and body in combination to move across a terrestrial substrate. Fins are planted one after the other to lift the head and anteriobody and the tail and body are used to push the fish forward over the planted fin.

Credit: E.M. Standen and T.Y. Du, H. Larsson

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