Episode 205 is all about Yamaceratops, a ceratopsian whose frill is closely pitted, probably for jaw muscle attachments.
We additionally interview Ali Nabavizadeh, Assistant Professor of anatomy at Cooper Medical Faculty of Rowan College. He research the jaw musculature of herbivorous dinosaurs. Observe him on Twitter @Vert_Anatomist, take a look at his weblog Anatomist’s Information, or his Google website.
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On this episode, we talk about:
Information:
- A big sauropod from the Late Cretaceous has been discovered within the Gobi Desert and it’s about 30-40% full supply
- In Argentina 70 million 12 months previous dinosaur eggs had been discovered probably together with embryos, pores and skin, and enamel supply
- The “Tufts-Love” T. rex cranium on the Burke Museum has discovered 100% of the cranium and jaw bones by bone depend together with a number of which might be not often preserved supply
- Junchang Lü, one of the distinguished paleontologists in China, just lately handed away originally of October on the age of 53 supply
- Chilesaurus diegosuarezi, the primary Jurassic dinosaur present in Chile, is occurring exhibit on the Regional Museum of Aysen, in Coyhaique, Chile, subsequent 12 months supply
- An Allosaurus might be posed with a nest on the Smithsonian Nationwide Museum of Pure Historical past since it could have sorted its younger supply
- Jurassic World is promoting Indoraptor masks, simply in time for Halloween supply
- A research of 150 Ceolophysis—principally from the identical bonebed—present that early triassic dinosaurs had femora that modified considerably as they aged supply
- The information used to help the Ornithoscelida speculation had many errors, which casts some doubt on the conclusion that Ornithoscelida ought to exchange the standard Saurischia and Ornithischia teams supply
- A research of a child Massospondylus and it’s forelimb energy exhibits that Massospondylus was bipedal for its total life supply
- A simulation of Mussaurus (the earliest Jurassic sauropodomorph) confirmed its heart of mass shifted because it grew, that means that it was quadrupedal as a child and bipedal as an grownup supply
- Researchers used a program known as area of interest mapper to mannequin microclimates of Plateosaurus & Coelophysis, displaying which environments they would favor primarily based on plumage and metabolic charges supply
- Reconstructions of dinosaur feeding musculature exhibits that they chewed in a manner completely different than any animal alive as we speak supply
- A research of emu and ostrich bones discovered many similarities with dinosaurs and suggests utilizing bone microstructure to determine maturity supply
- Sauropodomorph interior ears range considerably throughout teams: Diplodocoids have comparatively smaller interior ear, whereas Giraffatitan has the most important identified inner-ear supply
- By finding out alligator and turkey arms we would have the ability to present which theropods might supinate their fingers as they drew them to their physique supply
- A research of dinosaur bearing websites from Dinosaur Park Formation in Alberta & Saskatchewan and the same aged Judith River websites in Montana exhibits which places had been probably the most related supply
- A brand new mannequin of dinosaur variety within the newest cretaceous exhibits that they weren’t in decline, however as an alternative perhaps slowing down or leveling off supply
The dinosaur of the day: Yamaceratops
- Neoceratopsian
- Lived within the Late Cretaceous in what’s now the Gobi Desert, in Mongolia
- Discovered a cranium within the 1991 American Museum of Pure Historical past–Mongolian Academy of Sciences expedition
- Members of these expeditions got here again in 2002 and 2003 and located extra Yamaceratops materials
- Not sufficient fossils to know its dimension
- Herbivorous
- Had a comparatively thick rostral that had a rugose (wrinkled) texture
- Had a frill, that won’t have been used for show however slightly “hints at a extra advanced evolutionary historical past for ceratopsian frills”
- Fringe of the frill is “closely pitted by muscle insertions, indicating that the frill served as a platform for big jaw adductors”
- Had a definite epijugal ossification (armored cheek plate), and is probably the most basal neoceratopsian with this
- Frill and cheeks counsel extra selection in psittacosaurids and neoceratopsians than beforehand thought
- Described in 2006 by Makovicky and Norell
- Kind species is Yamaceratops dorngobiensis
- Title means Yama horned face
- Title refers to Yama, a Tibetan Buddhist deity, who’s the Lord of Demise and one of many eight protectors of Buddhist educating, and who has the pinnacle of a water buffalor and has horns (like ceratopsians)
- Species identify refers back to the Jap Gobi
- Initially regarded as from the Early Cretaceous, however a later research discovered it to be Late Cretaceous
- Scientists discovered a fossilized egg and embryo in an space the place Yamaceratops had been generally discovered
- A later research with extra CT scans discovered that the egg was really of a chook, not Yamaceratops
Enjoyable Reality:
The Ok-Pg extinction occasion was unremarkable for an aquatic extinction (however nonetheless uncommon for a terrestrial extinction).
Sponsors:
This episode is dropped at you partly by TRX Dinosaurs, which makes stunning and real looking dinosaur sculptures, puppets, and animatronics. You possibly can see some wonderful examples and works in progress on Instagram @trxdinosaurs