Covering the Devonian clades of Sarcopterygii, Rhipidistia, and Tetrapodomorpha. Featured developments are of symmetrical lungs and legs, including the humerus in a shoulder socket.
Here is a link to the entire series playlist.
• Systematic Classification of Life
If you like what I do, please consider becoming a patron:
https://www.patreon.com/aronra
273 Comments