Episode 224 is all about Dromaeosaurus, the larger badder cousin of velociraptor with a chunk about 3 times as robust.
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On this episode, we focus on:
Information:
- A brand new child oviraptorid, Gobiraptor minutus, from Cretaceous Mongolia which will have eaten bivalves supply
- The primary stegosaur named in Mongolia, Mongolostegus exspectabilis, could also be the newest stegosaur discovered so far supply
- A brand new article in Nature exhibits that two-thirds of 3D scan information just isn’t shared on-line, largely so authors can completely use it for future work supply
- The Montana Home of Representatives handed the invoice that claims fossils are a part of a property’s floor property, not the mineral property supply
- The Nationwide Showcaves Centre for Wales bought a 15ft tall 30 ft lengthy Allosaurus sculpture to create space for brand spanking new sculptures supply
The dinosaur of the day: Dromaeosaurus
- Theropod that lived within the Late Cretaceous in what’s now the western U.S. and Alberta, Canada
- Not many fossils discovered
- Holotype features a partial cranium (lacking many of the high of the snout), and a few foot bones
- Discovery of different dromaeosaurids have helped fill within the gaps about Dromaeosaurus (Dakotaraptor, Utahraptor, different raptors, and so on.)
- About 6.6 ft (2 m) lengthy and weighed about 33 lb (15 kg)
- Had a sturdy cranium, and sharp tooth
- Phil Currie printed a examine of Dromaeosaurus in 1994 and stated the “braincase bones will not be pneumatized” (heavy)
- In all probability had an excellent sense of odor
- Had sturdy tooth, that had quite a lot of put on and tear (most likely used to crush and tear, or “puncture and pull”, not slice flesh)
- Therrien and others in 2005 stated Dromaeosaurus’ chunk was nearly 3 times extra highly effective than Velociraptor and will have used its jaws greater than its sickle claw
- Might have gone after giant prey, and will have eaten bone (related feeding technique to tyrannosaurids)
- Had a sickle claw on every foot
- Kind species is Dromaeosaurus albertensis
- Described in 1922 by William Diller Matthew and Barnum Brown
- Title means “swift working lizard”
- Species title refers to Alberta
- Fossils present in 1914 on an American Museum of Pure Historical past expedition at Pink Deer River (space now a part of Dinosaur Provincial Park)
- Seven different species have been named, largely primarily based on fragments. Some have been reclassified as different genera (Troodon, Velociraptor), and the remaining are thought of nomina dubia.
- Matthew and Brown put Dromaeosaurus in its personal subfamily Dromaeosaurinae, underneath Deinodontidae, however in 1969 John Ostrom stated it was much like Velociraptor and Deinonychus, and assigned them to Dromaeosauridae (many extra dinosaurs discovered, so there are many subfamilies inside Dromaeosauridae, together with Dromaeosaurinae)
- Dromaeosaurs have been small to medium sized feathered carnivorous theropods that lived within the Cretaceous
- They’re usually generally known as raptors (one of the well-known ones is Velociraptor)
- Discovered everywhere in the world, on six continents, and probably some tooth in Australia (so possibly all seven continents)
- Intently associated to birds
- Bob Bakker and John Ostrom used droameosaurs (Deinonychus) to point out dinosaurs have been quick and good, and associated to fashionable birds
- Typically they’d giant skulls, serrated tooth, good binocular imaginative and prescient, giant arms, lengthy tails, and sickle claws on their toes (saved this toe off the bottom when strolling), and possibly all have been feathered
- Can see a solid on the Royal Tyrrell Museum’s Area Station (pack of Dromaeosaurus attacking a Lambeosaurus)
Enjoyable Reality:
Mongolostegus/Wuerhosaurus could also be the newest stegosaur, however there have been more moderen tracks present in Australia, in order that is likely to be an excellent place to discover a more moderen stegosaur.