Episode 478: Is Nanotyrannus back?
Thank you so much to all our patrons! Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more. This episode was originally published on January 24, 2024. Subscribe to "I Know Dino" in your podcast app to get every new episode right when it's published. In dinosaur news this week: A new paper considers Nanotyrannus to be a valid genus (separate from Tyrannosaurus); Daspletosaurus may not have evolved via anagenesis; The Children’s Museum of Indianapolis has a new Allosaurus with skin impressions, belly ribs, and evidence of injuries; Trinity the T. rex will be on display at the Aathal Dinosaur Museum in Zurich, Switzerland for most of 2024; The Royal Mint has three new dinosaur coins This week's dinosaur of the day is Bistahieversor Eutyrannosaurian theropod dinosaur that lived in the Late Cretaceous in what is now New Mexico (Kirtland Formation and Fruitland Formation) Looked like other large tyrannosaurs, with a big head with a deep skull and sharp teeth, short arms, and a long tail Top of the skull of the holotype looks almost like ornamentation you’d see on a ceratopsid frill Had a deep snout, which helps show that it wasn't just Tyrannosaurus and other derived tyrannosaurs that had this feature Deep skull good for bone crushing Before Bistahieversor, thought that only later tyrannosaurs like Tyrannosaurus had deeper snouts Possible that barriers like the newly forming Rocky Mountains and rising sea levels isolated Bistahieversor from northern tyrannosaurs Had some early features of tyrannosaurs too, in the snout, forehead, and with projections over the eyes Probably had short arms, based on having a deep skull for bone crushing (didn't need long arms to go after prey, similar to Tyrannosaurus) Had 64 teeth Had more teeth than Tyrannosaurus (had about 60) Had an extra opening above its eye, and a keel along the lower jaw Extra opening above the eye may have been for an air sac to help keep the skull lighter Also had a complex joint at the "forehead" to help stabilize the skull Similar in size to Daspletosaurus … read more at https://iknowdino.com/Bistahieversor-Episode-478/I Know Dino: The big #dinosaurpodcast. News, interviews, and discussions about #dinosaurs and dinosaur #science.
Thank you so much to all our patrons! Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more. This episode was originally published on January 24, 2024. Subscribe to "I Know Dino" in your podcast app to get every new episode right when it's published. In dinosaur news this week: A new paper considers Nanotyrannus to be a valid genus (separate from Tyrannosaurus); Daspletosaurus may not have evolved via anagenesis; The Children’s Museum of Indianapolis has a new Allosaurus with skin impressions, belly ribs, and evidence of injuries; Trinity the T. rex will be on display at the Aathal Dinosaur Museum in Zurich, Switzerland for most of 2024; The Royal Mint has three new dinosaur coins This week's dinosaur of the day is Bistahieversor Eutyrannosaurian theropod dinosaur that lived in the Late Cretaceous in what is now New Mexico (Kirtland Formation and Fruitland Formation) Looked like other large tyrannosaurs, with a big head with a deep skull and sharp teeth, short arms, and a long tail Top of the skull of the holotype looks almost like ornamentation you’d see on a ceratopsid frill Had a deep snout, which helps show that it wasn't just Tyrannosaurus and other derived tyrannosaurs that had this feature Deep skull good for bone crushing Before Bistahieversor, thought that only later tyrannosaurs like Tyrannosaurus had deeper snouts Possible that barriers like the newly forming Rocky Mountains and rising sea levels isolated Bistahieversor from northern tyrannosaurs Had some early features of tyrannosaurs too, in the snout, forehead, and with projections over the eyes Probably had short arms, based on having a deep skull for bone crushing (didn't need long arms to go after prey, similar to Tyrannosaurus) Had 64 teeth Had more teeth than Tyrannosaurus (had about 60) Had an extra opening above its eye, and a keel along the lower jaw Extra opening above the eye may have been for an air sac to help keep the skull lighter Also had a complex joint at the "forehead" to help stabilize the skull Similar in size to Daspletosaurus … read more at https://iknowdino.com/Bistahieversor-Episode-478/I Know Dino: The big #dinosaurpodcast. News, interviews, and discussions about #dinosaurs and dinosaur #science.