Dinosaur of the day Beishanlong, the "North Mountains dragon" from Gansu China. Interview with Jessie Atterholt, assistant professor at the Western University of Health Sciences. She's also the lead author of the new paper "The most complete enantiornithine from North America and a phylogenetic analysis of the Avisauridae." You can follow her on Instagram @theladyanatomica or jessieatterholt.com In dinosaur news this week: The smallest dinosaur footprints ever were discovered found in South Korea Differences in Dilong and T. rex braincases show how tyrannosaurs changed as they evolved The most complete North American enantiornithine, Mirarce, was found Brian Engh recreated the new enantiornithine on a Utahceratops Our holiday gift guide This episode is brought to you in part by TRX Dinosaurs, which makes beautiful and realistic dinosaur sculptures, puppets, and animatronics. You can see some amazing examples and works in progress on Instagram @trxdinosaurs And by Safari Ltd. All of their dinosaur toys are highly detailed, hand-painted, and thoroughly researched to be scientifically accurate. You can get 15% off all toys at safariltd.com by entering the promo code IKNOWDINO. To get access to lots of patron only content check out https://www.patreon.com/iknowdino For links to every news story, all of the details we shared about Beishanlong, more links from our gift guide, and our fun fact check out https://iknowdino.com/Beishanlong-Episode-209/