Episode 292 is all about Enigmosaurus, the aptly named Therizinosaur enigma.
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On this episode, we talk about:
Information:
- New finds present Protoceratops & Mussaurus had soft-shelled eggs supply
- Two new dinosaurs, Navajoceratops & Terminocavus, had been named from New Mexico supply
- Crystal Palace Dinosaurs is searching for new safety to maintain their sculptures secure supply
- The Carnegie Museum of Pure Historical past has a brand new Dinosaur Armor exhibit supply
- A Make-A-Want little one in South Florida was stunned with a dinosaur-themed automobile parade supply
The dinosaur of the day: Enigmosaurus
- Therizinosaur theropod that lived within the Late Cretaceous in what’s now Mongolia (Bayan Shireh Formation)
- Estimated to be 16.4 ft (5 m) lengthy and weigh between 1,000 to 2,000 lb (454 to 907 kg), about the identical weight as a horse
- Bipedal, herbivorous, perhaps omnivorous
- Sort and solely species is Enigmosaurus mongoliensis
- Genus title means “Enigma lizard” or “Enigmatic lizard”
- From the Greek phrase which means mysterious
- Discovered a effectively preserved pelvis and different stays (together with a big left femur, which is just too massive to be clearly related to the pelvis)
- Named due to the bizarre form of its pelvis
- Pelvis is massive and the pubis bones level backward, which is why it’s enigmatic
- First reported in 1979, when its pelvis was in comparison with different theropods, however not a lot recognized about therizinosaurs but
- Nicknamed the “Dinosaur from Khara Khutul” (the locality within the Bayan Shireh Formation the place it was discovered), and thought of a part of Segnosauria when briefly described by Rinchen Barsbold and Altangerel Perle in 1980
- Formally named and described in 1983 by Barsbold
- Based mostly on a partial skeleton, no cranium, with a effectively preserved pelvic girdle
- Species title refers to Mongolia
- Could have been an older grownup specimen discovered, based mostly on the pelvis having areas of bone resorption and bone reworking of the ilium, the uppermost, largest a part of the hip bone. Might be a novel attribute of Enigmosaurus, however would want extra evaluation
- Probably synonymous with Erlikosaurus, a medium-sized herbivorous dinosaur with a small cranium and beak, and was additionally one of many dinosaurs in Jurassic World: Fallen Kingdom
- Each had been present in the identical formation, however the pelvis of Erlikosaurus is unknown, so exhausting to match and decide if Enigmosaurus is a junior synonym of Erlikosaurus
- Alternatively, the Enigmosaurus pelvis doesn’t appear to be the pelvis of Segnosaurus, one other therizinosaur from the identical formation. Additionally Erlikosaurus and Enigmosaurus had been discovered in numerous strata, so most scientists thought-about them to be separate taxon
- Third therizinosaur discovered within the Bayan Shireh Formation
- Different dinosaurs that lived in the identical time and place included therizinosaurs Erlikosaurus and Segnosaurus, an unnamed velociraptorine
- Additionally plenty of fossil fruits discovered, so many angiosperm vegetation round
- First Cretaceous therizinosaur present in Mongolia was Therizinosaurus cheloniformis, named in 1954 by Maleev and located within the Nemegt Formation
- Could have had good listening to and sense of scent, based mostly on a CT scan of Erlikosaurus and partial braincases of two different therizinosaurs, in a 2019 examine by Stephan Lautenschlager and others
- Could be useful for foraging, avoiding predators, and appearing socially
Enjoyable Truth:
There are not less than 6 dinosaur genera named in honor of Canada or areas inside its borders.