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Sinotyrannus (meaning “Chinese tyrant”) was an early, large-bodied genus within the superfamily Tyrannosauroidea. [1] This dinosaur had a single type species, S. kazuoensis, with the only known specimen containing a partial skull, some vertebrae, and a hip, [2] all of which were found in the Early Cretaceous aged Jiufotang Formation of Liaoning, China.
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A skeleton is the structural frame that supports the body of most animals.There are several types of skeletons, including the exoskeleton, which is a rigid outer shell that holds up an organism's shape; the endoskeleton, a rigid internal frame to which the organs and soft tissues attach; and the hydroskeleton, a flexible internal structure supported by the hydrostatic pressure of body fluids.
Human_skeleton_diagram.png: (Source: Collier's New Encyclopedia, VIII (New York: P.F. Collier & Son Company, 1921), p. 446. derivative work: GregorDS ( talk ) 09:18, 21 December 2011 (UTC) This is a retouched picture , which means that it has been digitally altered from its original version.
This list of non-avian theropod type specimens is a list of fossils that are the official standard-bearers for inclusion in the Mesozoic species and genera of the dinosaur clade Theropoda, which includes the carnivorous dinosaurs like Tyrannosaurus and Velociraptor, their herbivorous relatives like the therizinosaurs, and birds.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 January 2025. Theropod dinosaur genus from mid-Cretaceous Period Deltadromeus Temporal range: Late Cretaceous (Cenomanian), 99.6–93.5 Ma Pre๊ ๊ O S D C P T J K Pg N Mounted skeleton cast with a speculative skull Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade ...
The holotypic specimen was disarticulated prior to fossilisation, with many elements of its skeleton scattered throughout the assemblage: none of the vertebral column is preserved in articulation and those vertebrae that are preserved consist of separated neural arches and centra, signifying that the holotype was an immature individual.
Skeletal diagram of known remains. Alvarezsaurus is considered basal to better-known members of its family, such as Mononykus and Shuvuuia.It has been alternately classified with both non-avian theropod dinosaurs and early birds, but a move of the alvarezsaurids to be recognized as more closely related to neornithine birds proved controversial despite being supported by earlier studies. [4]