Episode 513: Updates on Dinosaur Progress and Growth. Juvenile Daspletosaurus cranium bones; Trendy birds have excessive Encephalization Quotients from their non-avian dinosaur ancestors; Dinosaur measurement estimate issues; Plus new non-fiction dinosaur books
Information:
- Three immature Daspletosaurus cranium bones assist present how the dinosaur modified (and didn’t change) because it grew up supply
- Trendy birds have excessive EQs which they advanced from non-avian dinosaurs supply
- Scientists warning on estimate sizes and physique shapes of extinct animals (watch out what animals you examine it to) supply
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The dinosaur of the day: Suzhousaurus
- Therizinosauroid dinosaur that lived within the Early Cretaceous in what’s now China (Xiagou Formation and Zhonggou Formation)
- Vulture like, with the neck and head, however with lengthy arms and claws, and far bigger, strolling on two legs, lengthy tail, type of skeksis like
- Herbivorous theropod
- Enjoyable reality: therizinosaurs had been first considered big turtle kinfolk
- Massive, estimated to be as much as 20 ft (6 m) lengthy and weigh over 3 tons
- Helps present therizinosauroids acquired massive early on
- Had one of many longest recognized higher arm bones of any theropod
- Had a large physique
- In all probability waddled
- Had a big stomach
- Had sturdy legs
- Had a brief tail
- Had lengthy claws and an extended neck
- Had a beak
- Could have had some feathers, based mostly on its relative Beipiaosaurus
- Vertebrae wasn’t that mild (probably not pneumatized)
- Kind species is Suzhousaurus megatherioides
- Two specimens discovered throughout fieldwork in 1999 and 2004
- Described in 2007 by Daqing Li and others
- Genus identify means “Suzhou lizard”
- Genus identify refers to Suzhou, the previous identify for the Jiuquan space the place the fossils had been discovered
- Species identify megatherioides refers to it trying like the large floor sloth Megatherium
- Full identify means “big sloth-like reptile from Suzhou”
- Authors mentioned Suzhousaurus is perhaps the identical as “Nanshiungosaurus” bohlini, a therizinosauroid named earlier that was present in the identical space, however is thought from only a few fossils (so exhausting to check)
- Holotype is a partial skeleton (no cranium), and features a proper higher arm, proper shoulder, partial ribs, elements of the hips, and 10 again vertebrae
- A extra full skeleton was described in 2008, which incorporates extra again vertebrae, the hips, a part of the neck, and each femora (thigh bones). Fossils present in 2004
- In each specimens, the left pubis was discovered and was discovered to be the identical species
- Additionally discovered an remoted tooth
- Lived on a heat, semi-arid plan with shallow, non permanent lakes
- Different dinosaurs that lived across the identical time and place embody ornithomimosaurs like Beishanlong, tyrannosauroids like Xiongguanlong, the small neoceratopsians Archaeoceratops and Auroraceratops, hadrosaurs, and sauropods
Enjoyable Reality:
The smallest recognized Microraptor had a thigh bone lower than 5 cm (lower than 2 in) lengthy
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