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Episode 243 is all about Tuojiangosaurus, a dinosaur that resembles Stegosaurus with thinner plates.
We additionally interview Jen Bauer, a postdoctoral affiliate on the Florida Museum of Pure Historical past, with a give attention to the myFOSSIL undertaking and the Thompson Institute for Earth Techniques. She can be the co-creator, together with Adriane Lam, of Time Scavengers
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On this episode, we focus on:
Information:
- Aquilarhinus, the brand new hadrosaur from Texas with a shovel invoice and an eagle nostril supply
- A big group of opalized dinosaur fossils had been present in Lightning Ridge, Australia supply
- The lawsuit over the dueling dinosaurs is now on the Montana Supreme Court docket supply
The dinosaur of the day: Tuojiangosaurus
- Stegosaurid that lived within the Late Jurassic, in what’s now Sichuan Province, China (Higher Shaximiao Formation)
- About 23 ft (7 m) lengthy, and about 2.8 tonnes (Gregory Paul estimated 2.8 tonnes for a specimen about 21 ft (6.5 m) lengthy)
- Described in 1977 by Dong Zhiming and others, however the description was largely of traits that different stegosaurs had
- Peter Galton wrote about an autapomorphy in 1990 (pairs of spines on the base of the tail, the thagomizer, had bony skirts that ran from the entrance to the edges)
- Had two spikes that identified from the tip of the tail (thagomizer), although Dong thought there could have been 4 spikes. Gregory Paul described them as a “pin-cushion array” with two vertical pairs of spikes and one other pair of spikes that pointed behind
- Had rows of plates on the backbone, the tallest ones across the hip space
- Plates close to the neck and the entrance of the physique had been rounded, plates close to the again had been extra pointy and triangular
- The plates had been formed in a approach that seemed like modified spikes
- Dong estimated 17 pairs of plates and spikes
- Had a slim, low head
- Had a cumbersome physique
- Had quick limbs, particularly the forelimbs
- Ate floor vegetation and doubtless stored its head near the bottom (had enamel higher for gentle vegetation)
- Fossils had been present in 1974, throughout building of a dam in Zigong, Sichuan
- Kind species is Tuojiangosaurus multispinus
- Identify means “Tuo River Lizard”
- Species identify means “many spines”
- Discovered two specimens initially (extra specimens have since been referred to Tuojiangosaurus, together with juveniles)
- Holotype is generally full, however lacking elements of the cranium, decrease jaws, tail, and limbs (when it was described, it was essentially the most full stegosaur skeleton present in Asia)
- Sister taxa to Stegosaurus
- Can see Tuojiangosaurus mount on the Municipal Museum of Chongqing, in China, and one other mount on the Beijing Museum of Pure Historical past (combating a Yangchuanosaurus)
- May see a Tuojiangosaurus forged on the Pure Historical past Museum in London
Enjoyable Reality: There’s a formation of cretaceous rock bigger than Montana in central Africa that’s fully unexplored.
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