Episode 496: 3 new dinosaurs together with a brand new Carnotaurus rival. Koleken lived with Carnotaurus, however so far as we understand it didn’t have horns. Plus a brand new Masiakasaurus relative Kiyacursor and a brand new titanosaur named Tiamat which will have had osteoderms.
Information:
- A brand new shut relative of Carnotaurus, named Koleken, used to be simply described supply
- There’s a brand new noasaurid theropod, Kiyacursor longipes supply
- There’s a brand new titanosaur, Tiamat valdecii supply
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The dinosaur of the day: Mahakala
- Small halszkaraptorine dromaeosaurid theropod dinosaur that lived within the Past due Cretaceous in what’s now the Gobi Desolate tract in Mongolia (Djadokhta Formation)
- Way it’s a semi-aquatic raptor
- Had massive claws on its 2d ft, like different dromaeosaurids/raptors
- Small, estimated to be about 50 to 70 cm (20 to twenty-eight in) lengthy and weigh 400 to 700 g (14 to twenty-five ounces)
- Appeared more or less like a goose, with a small head and beak, and lengthy neck, however had an extended tail and far larger ft with massive sickle claws on them
- Had very quick palms
- Kind and handiest species is Mahakala omnogovae
- Named in 2007 through Turner and others
- Discovered a partial skeleton of a just about totally grown grownup with cranium bones, vertebrae, portions of the limbs, and portions of the pelvis and shoulder
- Discovered a smartly preserved partial cranium and just about entire skeleton
- Discovered 20 preserved tail bones
- As a halszkaraptorine, will have been a just right swimmer
- Had options noticed in early troodontids and avialans (birds)
- Had quick palms (humerus is 50% the femur duration)
- Maximum troodontids had rather quick palms
- Being a basal dromaeosaurid, approach it’s necessary for understanding the ancestral measurement of dromaeosaurs
- Being small might lend a hand display that dinosaurs were given smaller earlier than they might fly (and that the ancestors of birds have been small and pre-adapted for flight)
- Earlier than, scientists concept miniaturization used to be handiest within the earliest birds, and that ended in flight
- Despite the fact that dromaeosaurids didn’t uniformly shrink through the years, and in some circumstances they were given higher
- Must be studied extra to higher perceive what the limb proportions imply
- Genus title is for Mahakala, one in every of 8 protector deities in Tibetan Buddhism
- Species title is for Ömnögovi, a province in Mongolia
- Fossils present in 1992 all the way through a joint American Museum of Herbal Historical past and Mongolian Academy of Sciences expedition
- 3rd dromaeosaurid reported from the Djadokhta Formation (perhaps fourth relying at the validity of Velociraptor osmolskae, which used to be named in 2008 however paleontologists say must be reassessed)
- Lived in a semiarid local weather, with sand dunes and plains
- Infrequently had mud and sandstorms
- Different dinosaurs that lived round the similar time and position come with Velociraptor, troodontids corresponding to Byronosaurus and Saurornithoides, oviraptors corresponding to Citipati, Khaan, and Oviraptor, alvarezsaurids corresponding to Kol and Shuvuuia, ceratopsians corresponding to Protoceratops and Udanoceratops, hadrosaurs corresponding to Plesiohadros, and ankylosaurs corresponding to Pinacosaurus
- Different animals that lived round the similar time and position come with turtles, crocodilians, lizards, and mammals
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There are a minimum of 3 “dinosaur days”: World Dinosaur Day at the third Tuesday in Would possibly; Nationwide Dinosaur Day on June 1st; and Australia’s Nationwide Dinosaur Day on Would possibly seventh.
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