Episode 53 is all about Dryosaurus, whose identify means “tree lizard.”
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On this episode, we focus on:
- The dinosaur of the day: Dryosaurus
- Identify means “tree lizard”, due to its habitat (forest), and never it’s oak-leaf like form of its cheek tooth (as some individuals say)
- Lived in Jurassic
- Samuel Wendell Williston in Wyoming discovered ornithopod fossils in 1876. Charles Marsh named them a brand new species of Laosaurus (a hypsilophodont) in 1878, Laosaurus altus (altus means tall). In 1894, Marsh made it its personal genus, Dryosaurus (an iguanodont)
- Sort species is Dryosaurus altus
- Holotype is a partial skeleton with a principally full cranium and decrease jaws. Different specimens have been discovered (rear half of skeletons and partial skeletons)
- Different species have been named as a part of Dryosaurus genus. One was on accident. In 1903, Giuseppe de Stegano by accident renamed Crocodilus phosphaticus to Dryosaurus phosphaticus, however he meant to name it Dyrosaurus phosphaticus. Eric Buffetaut modified it to Dyrosaurus phosphaticus in 1981
- Valdosaurus canaliculatus and Dysalotosaurus lettowvorbecki (episode 20) was thought-about to be Dryosaurus
- Fossils discovered within the U.S.
- Dryosaurus additionally present in Tanzania (form of)
- In 1995, paleontologist Peter Galton wrote the paper “The Ornithopod Dinosaur Dryosaurus and a Laurasia-Gondwanaland Connection within the Higher Jurassic”
- The paper in contrast Dysalotosaurus lettowvorbecki from Tanzania, East Africa to Dryosaurus from the Morrison Formation in North America, and located similarities, which was extra proof there was a land connection between Laurasia and Gondwana within the Higher Jurassic interval
- Dryosaurus had an extended neck, lengthy legs, and an extended stiff tail
- About 8-14 ft (2.4-4.3m) lengthy and weighed 170-200 kilos (77 to 91 kg)
- A dig web site discovered close to Uravan, Colorado has lots of of D. altus fossils, with specimens from all ages
- All identified specimens of Dryosaurus had been nonetheless rising, so it’s unclear how massive a totally grown grownup acquired
- Herbivore, with beak and cheek tooth, and probably cheek like constructions to carry meals in its mouth
- Ate low rising vegetation
- Brief arms, with 5 digits on every hand
- Had three toes
- Quick runner, used tail to counterbalance
- Operating away was in all probability most important protection
- Might have traveled in herds
- Might have taken care of its younger (eggs have been discovered Hypsilophodontid nests
- At Dinosaur Nationwide Monument in Utah, scientists discovered a Dryosaurus hatchling, which exhibits that like different vertebrates, child Dryosaurus had giant eyes and a small snout, and because it grew up eyes grew to become proportionally smaller and snout proportionally longer
- Dinosaurs that lived alongside Dryosaurus was Camptosaurus, Stegosaurus, Othnielosaurus
- Predators included Saurophaganax, Torvosaurus, Ceratosaurus, Marshosaurus, Stokesosaurus, Ornitholestes, and Allosaurus
- Can see a juvenile cranium on the Carnegie Museum
- Juvenile skulls are usually tougher to seek out, as a result of they’re extra fragile
- Mounted grownup Dryosaurus on the Carnegie Museum of Pure Historical past is the one mounted Dryosaurus altus
- In August 2014, Dryosaurus was 3D printed
- Paleontologist Jeffrie Parker, and Kirk Brown from GoEngineer, a Stratasys retailer (3D printer) printed a mannequin of Dryosaurus that Parker had present in Wyoming
- They scanned items of the Dryosaurus cranium and bones then printed it on a Stratasys uPrint SE Plus 3D Printer (20 recordsdata, printed in 5 batches)
- Dryosaurus was the most important dinosaur 3D printed at GoEngineer (50 inches by 15 inches)
- In keeping with Parker on the Stratasys weblog, “3D printing permits a paleontologist to shortly reproduce a fossil bone that can be utilized for educational examine and for constructing museum reveals that may be loved by everybody. Having a 3D printer is like having your individual little robotic manufacturing unit.”
- GoEngineer printed two Dryosaurus skeletons, one for Parker to review and one to show for purchasers
- Subsequent, Parker plans to print extra 3D dinosaurs and create a tableau. He plans to print two Allosaurs and a Ceratosaur
- Dryosauridae, to not be confused with Dyrosauridae (a household of extinct crocodyliforms)
- Dryosaurids had been primitive iguanodonts
- Lived within the Jurassic and Cretaceous in Africa, Europe and North America
- Iguanodonts had been herbivores that lived within the Jurassic and Cretaceous
- Contains Camptosaurus, Callovosaurus, Iguanodon, Tenontosaurus
- Enjoyable Truth: Fossilized parasites in amber might have contaminated dinosaurs.