Episode 184 is all about Segisaurus, a small Jurassic theropod which was so small that it in all probability ate bugs
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On this episode, we talk about:
Information:
- New dinosaur named Bagualosaurus was present in southern Brazil and is the biggest sauropodomorph from the Carnian up to now
- A small Spinosaurus toe bone was present in Morocco from a person that was in all probability lower than 6 toes lengthy
- Some new dinosaur tracks had been present in Lake Powell in Utah
- A time lapse video of the set up dinosaur specimen on the Rhinegeist Brewery in Cincinnati, Ohio
- Subject Station Dinosaurs formally opened final week, with their new Spinosaurus
- The Virginia Residing Museum has a brand new exhibit, Vacation spot: Dinosaur!
- Dino4Hire, was featured on WalesOnline
- In Corpus Christi, Texas there might be a Flintstones themed Delight occasion, for ages 18+ known as “Disco 3000“
- A brand new web site “The Fossil Information” explores the intersections between the worlds of paleontology and vinyl information
- Geek.com listed a number of the finest dinosaur T-shirts
- A brand new present known as Yabba-Dabba Dinosaurs and could have Pebbles, Bamm Bamm, and Dino from The Flintstones
- Indiana Jones in Disney’s Animal Kingdom, in Florida could also be including dinosaurs
- A T. rex was floated down the river Thames in London as a promotion for Jurassic World: Fallen Kingdom
- To commemorate the twenty fifth anniversary of Jurassic Park, they launched a Newsweek Particular Version: Jurassic Park
- One other Jurassic World: Fallen Kingdom featurette was launched
- Jurassic World: Alive (a Pokemon Go type cellular recreation) was launched on iOS and Android
The dinosaur of the day: Segisaurus
- Featured within the Jurassic Park brochure
- Coelophysoid theropod that lived within the Jurassic in what’s now Arizona
- Identify means “Tsegi canyon lizard”
- Discovered within the Tsegi Canyon, in Arizona, and is the one dinosaur excavated from there
- Max Littlesalt and Robert Thomas discovered Segisaurus in 1933, in sandstone (Max saved livestock within the canyon the place it was discovered, and identified the fossils to archeologists who had been on an expedition)
- In all probability buried in sand after which died, primarily based on being present in sandstone
- Lived in one thing just like fashionable sand dunes
- Tracks are extra widespread within the formation than skeletons
- Described in 1936 by Charles Lewis Camp
- Discovered elements of the limb, pelvis, and vertebrae (no cranium)
- Kind species is Segisaurus halli
- Discovered a sub-adult
- About 3.3 ft (1m) lengthy (in all probability grew larger)
- Weighed about 9-15 lb (4-7 kg)
- Ate bugs, might have additionally scavenged for meat
- Primitive, bipedal
- Had lengthy tail, lengthy forearms, and lengthy, highly effective legs, with three toes
- Present in a roosting place, just like fashionable birds
- Camp mentioned its posture was like a “sitting hen” the best way it was discovered. Might have been in that place as a result of it was sleeping or sheltering from sand and ash storms
- Chicken like, with a protracted neck and stout physique
- Discovered fused clavicles, which haven’t been present in different dinosaurs that lived on the identical time
- Charles Lewis Camp mentioned it could have had a “splint-like” neck to assist a fold of pores and skin which will have helped it transfer shortly
- Segisaurus reveals that clavicle was in early theropods (fascinating as a result of there was debate within the Nineteen Thirties whether or not dinosaurs had shoulder girdle bones, and the way birds advanced)
- Gerhard Heilmann, a Danish artist and paleontologists, revealed The Origin of Birds in 1926. He argued that although many dinosaurs appeared bird-like, they didn’t have clavicles (precursors to wishbones) they usually appeared ot have misplaced them over time, and couldn’t have re-evolved them. So he mentioned that thecodonts (crocodylian varieties) the place ancestors to birds and dinosaurs, and the shared ancestry was why there seemed to be convergent evolution between dinosaurs and birds. Many paleontologists agreed with this till the Dinosaur Renaissance of the Nineteen Seventies
- Sadly, Segisaurus was largely ignored for a few years (wasn’t reexamined till 2005), so didn’t play a task within the Dinosaur Renaissance
- Appears associated to Coelophysis, however it was thought to have had stable bones as an alternative of hole bones
- Some scientists had been not sure if it was a theropod due to its stable bones
- The re-examination in 2005 discovered that it did have hole bones, and it was a coelophysoid, in all probability carefully associated to Procompsognathus
Enjoyable Reality:
Dinosaur in mandarin is 恐龙 (Kǒnglóng) actually interprets to afraid-dragon (or scary dragon) just like Dinosaur which accurately means terrible-lizard (or might be scary lizard)
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