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Date/Time Thumbnail Dimensions User Comment; current: 23:03, 11 December 2018: 2,532 × 1,776 (2.51 MB): FunkMonk: We can't just ignore that abelisaurs had very rugose lacrimal and postorbital bones, which indicates they were somehow ornamented.
Majungasaurus (/ m ə ˌ dʒ ʌ ŋ ɡ ə ˈ s ɔː r ə s /; lit. ' Mahajanga lizard ') is a genus of abelisaurid theropod dinosaur that lived in Madagascar from 70 to 66 million years ago, at the end of the Cretaceous Period, making it one of the last-known non-avian dinosaurs that went extinct during the Cretaceous–Paleogene extinction event.
Abelisauridae (meaning "Abel's lizards") is a family (or clade) of ceratosaurian theropod dinosaurs.Abelisaurids thrived during the Cretaceous period, on the ancient southern supercontinent of Gondwana, and today their fossil remains are found on the modern continents of Africa and South America, as well as on the Indian subcontinent and the island of Madagascar.
Unlike the skulls of abelisaurids, which are very deep, the skull of Masiakasaurus is long and low. The lacrimal and postorbital bones around the eye are textured with bumpy projections. Not including the highly modified jaws and teeth, the skull of Masiakasaurus possesses many general ceratosaurian characteristics. Overall, its morphology is ...
Similar collections were made throughout the 20th century, yielding mostly fragmentary fossils; [3] one such specimen, a rough partial skull roof, became the holotype of supposed pachycephalosaur (bonehead dinosaur) Majungatholus in 1979. [5] (This specimen was later shown to be part of the skull ornamentation of a Majungasaurus.) Large-scale ...
And, indeed, if you notice, the Angel A. Ramírez-Velasco diagram is loosely based, but with a large percentage of conservation, on different Gregory S. Paul diagrams. 4.- If the case were to eliminate my drawing, since it is indeed a work that is quite derived from that of the article, we should eliminate an endless number of illustrations ...
The braincase is the part of the skull housing the brain. In an articulated skull, it is not visible from the outside except from its rear part, the occiput. A complex structure, it is pierced by numerous foramina containing blood vessels and cranial nerves. Individual bones of the braincase tend to be completely fused in adults, with ...
Images Alwalkeria: 1994 Lower Maleri Formation (Late Triassic, Carnian) India: Possessed different types of teeth in its upper jaw Archaeodontosaurus: 2005 Isalo III Formation (Middle Jurassic, Bajocian to Bathonian) Madagascar: Retained "prosauropod"-like teeth despite its late age Barapasaurus: 1975