Episode 481: Tiny Theropods in a Tyrannosaur’s Tummy. A brand new juvenile Gorgosaurus was discovered with oviraptorosaur legs preserved as intestine contents; A model new Stegosaur was named; Proof of Albertosaurus cannibalism; And a few troodontids might have been herbivores
Information:
- New stegosaur Yanbeilong ultimus supply
- A brand new juvenile Gorgosaurus preserved the most effective set of Citipes legs discovered thus far as intestine contents supply
- Albertosaurus might have been a cannibal supply
- Troodontids might have been extra herbivorous than we thought supply
Sponsors:
Inform us what you concentrate on our present in our 2024 Annual Survey! We wish our present to be as gratifying as potential, and your enter will assist us enhance. Head to bit.ly/ikdsurvey24 to assist form the way forward for I Know Dino!
The dinosaur of the day: Urbacodon
- Troodontid that lived within the Late Cretaceous in what’s now Uzbekistan (Dzharakuduk Formation)
- Paleoart depicts it as very bird-like, with an extended tail, lengthy legs with sharp claws, and had a beak
- Troodontids have a lot of bird-like options
- Troodontids are small to medium in measurement and recognized from North America and Asia
- They have been agile, with good imaginative and prescient and listening to and a comparatively giant mind
- They’d lengthy legs and have been most likely quick runners
- Troodontids are uncommon
- Sort species is Urbacodon itemirensis
- Named in 2007 by Alexander Averianov and Hans Sues
- Genus identify means “URBAC tooth”
- URBAC is an acronym in honor of the Uzbek, Russian, British, American, and Canadian scientists who labored on the invention
- Species identify refers to Itemir, the kind locality
- First dinosaur bones discovered within the formation have been present in 1914 by A. D. Arkhangelsky
- A number of geologists visited the world within the Nineteen Thirties, and the most effective discover of the time was a whole turtle shell
- Holotype is a single left decrease jaw (dentary) with tooth
- Decrease jaw discovered on September 9, 2004
- Dentary is 3.12 in (79.2 mm) lengthy and has 32 tooth
- Dentary additionally appears to be like straight
- Had a spot between the entrance 24 tooth and again 8 tooth, however that could possibly be on account of particular person variation
- Tooth weren’t serrated
- One of many few troodontids with unserrated tooth
- Different troodontids with unserrated tooth embody Archaeornithoides, Byronosaurus, and Mei
- Seems to be just like Byronosaurus and Mei, however has variations in grooves and tooth crowns and is larger than Mei
- Carefully associated to Byronosaurus and Xixiasaurus
- Assist present extra troodontid variety in Asia than beforehand thought
- Tooth and different fossils described by Lev Nesov discovered within the close by Bissekty Formation have been referred to Urbacodon sp.
- In 2016 Averianov and Sues described in additional particulars the fossils they assigned to Urbacodon sp.
- Contains tooth, elements of the jaw, a partial braincase, vertebrae, elements of the ft
- Have sufficient similarities to realize it belongs to Urbacodon, however don’t know sufficient to assign to the identical species
- Urbacodon spp. appears to be like just like Byronosaurus, Gobivenator, and Xixiasaurus (no tooth serrations)
- Did a phylogenetic evaluation and didn’t discover a clade of troodontids from Asia with unserrated tooth
- Different dinosaurs that lived across the similar time and place embody sauropods, tyrannosauroids, troodontids, hadrosauroids, and the ceratopsian Asiaceratops
- Different animals that lived across the similar time and place embody salamanders, turtles, crocodyliformes, pterosaurs
Enjoyable Reality:
A 10Kg (22 pound) juvenile Citipes would have had lower than 4Kg (8 kilos) of meat (based mostly on ostrich proportions).
Thanks Patrons!
Your assist means a lot to us and retains us going! When you’re a dinosaur fanatic, be part of our rising group on Patreon at patreon.com/iknowdino
