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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.
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 ...
the adult skull is normally made up of 22 bones. Except for the mandible, all of the bones of the skull are joined together by sutures, semi-rigid articulations formed by bony ossification, the presence of Sharpey's fibres permitting a little flexibility: Date: 4 January 2007: Source: made it myself: Author: LadyofHats Mariana Ruiz Villarreal ...
Skull diagram of the basal sauropodomorph Massospondylus, showing the main skull openings (fenestra), including the external naris, the antorbital fenestra, the orbit, the infratemporal fenestra (here: lateral temporal fenestra), the supratemporal fenestra, and the mandibular fenestra. antorbital fenestra
By this method, body diagrams can be derived by pasting organs into one of the "plain" body images shown below. This method requires a graphics editor that can handle transparent images, in order to avoid white squares around the organs when pasting onto the body image. Pictures of organs are found on the project's main page. These were ...
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 ...
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 ...