There’s a new episode of The Field Museum’s “The Brain Scoop” Youtube channel.  This one is about ghost lineages, species that we know had to exist, but have no fossil evidence.  There is a great explanation of the concept.

Dr. Brandon Peecook thought he had made a major paleontological discovery that was going to alter decades of prior research in the field. Then, right before he was about to present his findings, he got a phone call that changed everything. This episode is funded in part by the National Science Foundation! Check out the other episodes in this series: https://www.youtube.com/playlist?list…