TIL mammals did not evolve from reptiles; instead synapsids (~mammals) and sauropsids (~reptiles and birds) branched off at the same time, some 300 million years ago
https://en.wikipedia.org/wiki/Sauropsida
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1puscsm/til_mammals_did_not_evolve_from_reptiles_instead/