Episode 409: An enormous new spinosaur and a tiny thyreophoran

Episode 409: An enormous new spinosaur and a tiny thyreophoran. A brand new dinosaur that appears like a tiny Carnotaurus coated in armor, one other dinosaur that is perhaps the most important theropod from Europe, and we identify a carnivore and herbivore for each letter of the alphabet

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Information:

• A brand new thyreophoran that appears like a miniature, armored, Carnotaurus was present in Argentina supply
• A brand new, very giant spinosaur was found on the Isle of Wight in England supply
• Spinosaurids changed tooth in a short time, which might be why we’ve discovered so many supply
• Oxford College Museum of Pure Historical past is re-running a lecture J.R.R. Tolkien gave in 1938 about dragonlore and dinosaurs supply
• The Subject Museum in Chicago lately obtained a brand new hadrosaur dinosaur fossil supply
• One other dinosaur, Zephyr, goes to public sale subsequent month supply
• A pupil at Southern Methodist College in Texas makes dinosaur origami supply
• There’s a brand new trailer for Marvel’s Moon Lady and Satan Dinosaur supply

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The dinosaur of the day: Microvenator

• Oviraptorosaurian theropod that lived within the Early Cretaceous in what’s now Montana, U.S. (Cloverly Formation)
• Regarded sort of like Oviraptor, walked on two legs, had an extended tail, lengthy arms with giant claws
• Estimated to be 4.3 ft (1.3 m) lengthy
• Holotype (AMNH 3041) is most certainly a juvenile, primarily based on some unfused bones
• Grownup in all probability grew bigger
• Fossils present in 1933 by Barnum Brown as a part of a discipline social gathering from the American Museum of Pure Historical past, who thought Deinonychus tooth additionally was a part of the holotype
• Brown informally known as it Megadontosaurus, which implies “big-toothed lizard”
• Brown drew illustrations of the dinosaur however by no means printed about it
• Fossils discovered embrace a partial cranium, proper decrease jaw, 23 vertebrae (together with elements of the tail), ribs, partial left arm, partial pelvis, partial hindlimbs, left coracoid (a part of the shoulder)
• Named by John Ostrom in 1970
• Sort species is Microvenator celer
• Full identify means “swift small hunter”
• Named for its lengthy legs
• Ostrom additionally tentatively referred a tooth to Microvenator, however that tooth might be from Deinonychus
• In 1998, Mackovicky and Sues printed a monograph with Brown’s illustrations and confirmed Microvenator was an oviraptorosaurian (and that the tooth was not a part of it)
• Distinctive options embrace a number of the vertebrae close to and on the tail have been wider than excessive, a crest on the femur, and a deep, oval melancholy on a part of the pubis
• In all probability didn’t have tooth
• Different dinosaurs that lived across the identical time and place embrace Rugocaudia (basal titanosauriform), Sauroposeidon (sauropod), Aquilops (ceratopsian), Zephyrosaurus (ornithischian), Acrocanthosaurus (carcharodontosaurid)

Enjoyable Truth:

We will identify a carnivorous and herbivorous dinosaur for each letter of the alphabet.

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