Episode 511: What Did Victorians Call to mind Dinosaurs? Edward Dolnick joins to speak about how scientists and most people considered dinosaurs within the early 1800s. Plus hadrosaurs residing in age-separated teams, two new hadrosauroids: Coahuilasaurus from Mexico and Qianjiangsaurus from China, and the most recent installment within the Jurassic Park franchise shall be referred to as Jurassic Global Rebirth and are available out on July 2, 2025
Information:
- There’s a brand new kritosaurin hadrosaur dinosaur, Coahuilasaurus lipani supply
- There’s a brand new hadrosauroid ornithopod dinosaur, Qianjiangsaurus changshengi supply
- The hadrosaur Hypacrosaurus lived in teams separated by way of age (juveniles lived one by one from adults) supply
- The brand new Jurassic Global movie, popping out subsequent July 2, has a identify: Jurassic Global Rebirth supply
Interview:
Edward Dolnick, the writer of the ebook, Dinosaurs on the Dinner Birthday celebration, which is set how a bunch of Victorians found out prehistoric animals and it modified our figuring out of the sector
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The dinosaur of the day: Theiophytalia
- Iguanodontian dinosaur that lived within the Early Cretaceous in what’s now Colorado, U.S.
- Lived about 125 to 100 million years in the past
- At the beginning considered Camptosaurus
- Seemed very similar to Camptosaurus (DoD in ep 7)
- Which additionally regarded very similar to Iguanodon
- May just stroll on all fours or simply two
- Had a cumbersome frame, lengthy tail, fingers shorter than legs, and a protracted cranium
- Estimated to be about 26 to 30 feet (8 to 9 m) lengthy
- Sort and most effective species is Theiophytalia kerri
- Named in 2006 by way of Kathleen Brill and Kenneth Wood worker
- Partial cranium first present in 1878 by way of James Kerr
- Kerr had graduated from Yale and had tuberculosis, so he went west to discover a remedy
- He become a professor of geology and mining at Colorado School and began looking for fossils
- Kerr despatched the partial cranium to O.C. Marsh
- Marsh almost certainly sought out the cranium. He heard about Kerr’s discovery of dinosaur bones and despatched H.C. Beckwith to analyze, who showed to Marsh
- Turns out Marsh took credit score for gathering the cranium, or a minimum of the file of the cranium within the archives suggests so
- Marsh concept the cranium got here from the Morrison Formation
- O.C. Marsh referred the cranium in 1887 to Camptosaurus
- On the time, Marsh used to be getting numerous specimens from the Bone Wars digs (over a length of 8 years), together with equivalent Camptosaurus skulls that were present in Wyoming
- Charles Gilmore in 1909 used that cranium to reconstruct the cranium of Camptosaurus
- Now not many Camptosaurus skulls or cranium subject material has been discovered
- On the time Kerr discovered the fossil, Colorado School didn’t have a spot to retailer them, and most of the packing containers positioned in barns and cellars were misplaced
- Kerr wrote: “In 1878, I found out in probably the most ridges east of the Pink Rocks forming the east boundary of the Lawn of the Gods, parts of 21 sea monsters that were stuck as in a basin in one in every of Earth’s early paroxisms [sic]. There have been many vertebra of huge measurement. A few of them have been neatly preserved. Of the huge animal within the type of a saurian, lets to find most effective casts of portions. From the lay of those portions, we calculated that the animal used to be 117 toes in duration. Many of the bones and one of the crucial casts have been boxed up for Colorado School. The varsity at the moment having no position to retailer such issues, the packing containers have been positioned in barns and cellars and just about all were misplaced”.
- After finding out the cranium, Brill and Wood worker discovered that soil on it matched Cretaceous soil, no longer Jurassic length soil
- Unclear the place precisely the cranium used to be discovered, most effective have the notice Kerr wrote to move by way of, and the matching soil
- Discovered it got here from someplace within the Lytle Member of the Purgatoire Formation, and used to be from the Early Cretaceous
- Lived on a heat, lush coastline at the fringe of an inland sea
- Shallow sea had numerous sharks, fish, clams, plesiosaurs, and birds
- Imaginable the dinosaur washed out to sea and that’s how the cranium used to be preserved
- Brill and Wood worker discovered some variations within the cranium that made Theiophytalia distinctive (longer, heavier, extra wrinkled snout in comparison to Camptosaurus, as an example)
- Extra intently associated with Iguanodon than Camptosaurus
- Closest relative used to be Hippodraco
- Hippodraco is an iguanodontian ornithopod, named in 2010, that lived within the Early Cretaceous in what’s now Utah, U.S.
- Genus title way “horse dragon”
- Had a protracted form that regarded reasonably like a horse cranium
- Genus Theiophytalia title way “divine lawn” or “lawn of the gods”
- Named for Lawn of the Gods, a park in Colorado Springs, Colorado, the place the cranium used to be discovered
- Species title is in honor of James Hutchinson Kerr
- Lawn of the Gods is a 1,300 acre nationwide park, with limestone and sandstone formations that span about 300 million years
- Lawn of the Gods used to be named in 1859 by way of surveyors from Denver who, when seeing the rock formations, stated it used to be a spot have compatibility for gods to gather
- Almost definitely an grownup, in accordance with fused bones within the cranium
- Cranium is estimated to be over 18 in (virtually 47 cm) lengthy
- Cranium measurement is in between Camptosaurus and Iguanodon
- Can see a reproduction of Theiophytalia at Lawn of the Gods Customer & Nature Heart
A laugh Truth:
Matching dinosaur tracks were discovered on two other continents, over 3,700 mi (6,000 km) aside.
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