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Tyrannosaurinae (or tyrannosaurines) is one of the two extinct subfamilies of Tyrannosauridae, a family of coelurosaurian theropods that consists of at least three tribes and several genera. All fossils of these genera have been found in the Late Cretaceous deposits of western North America and east Asia .
Holtz observed that since Nanotyrannus was probably a misidentified T. rex juvenile, Sereno's proposed definition would have the family Tyrannosauridae as a subtaxon of the genus Tyrannosaurus. [40] Further, his proposed definition of the subfamily Tyrannosaurinae would also be limited to Tyrannosaurus. [40]
Tyrannosauroidea (meaning 'tyrant lizard forms') is a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives.
Tyrannosaurus is the type genus of the superfamily Tyrannosauroidea, the family Tyrannosauridae, and the subfamily Tyrannosaurinae; in other words it is the standard by which paleontologists decide whether to include other species in the same group.
Tarbosaurus is classified as a theropod in the subfamily Tyrannosaurinae of the family Tyrannosauridae. Other members include Tyrannosaurus and the earlier Daspletosaurus , both from North America, [ 14 ] and possibly the Mongolian genus Alioramus .
The name Alioramini was first coined in 1995 by George Olshevsky only to contain the at-the-time uncertain Alioramus.Olshevsky classified Alioramini within the base of Tyrannosaurinae and considered it to be a tribe or a "paratribe" (a name for a paraphyletic tribe, emphasizing Olshevsky's view that the hypothetical common ancestor of tyrannosaurids could be classified as an alioramin). [8]
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Articles related to the Tyrannosauroidea ("tyrant lizard forms"), a superfamily (or clade) of coelurosaurian theropod dinosaurs that includes the family Tyrannosauridae as well as more basal relatives. Tyrannosauroids lived on the Laurasian supercontinent beginning in the Jurassic Period.