Fishapod fossil shows early elbows came in a variety of forms
The fish that preceded the first four-legged land animals came in a wider variety of forms than we had thought, and fossils show that one had an elbow joint that moved in an oddly restrictive way
<p>The fish that preceded the first four-legged land animals came in a wider variety of forms than we had thought, and fossils show that one had an elbow joint that moved in an oddly restrictive way</p>