Tyrannoraptora

Summary

Tyrannoraptora is a clade defined as "all descendants of the last common ancestor of Tyrannosaurus rex and Passer domesticus (the house sparrow)". The clade was named in 1999 by the American paleontologist Paul Sereno, though in his original concept had Tyrannosauroidea being the sister taxon to Pennaraptora (which in Sereno's paper was synonymous with Maniraptora as Therizinosaurs were thought to be more closely related to Ornithomimosaurs and the term Pennaraptora had not been coined as yet). Phylogenetic analyses have since, however, found the group also encompasses Compsognathidae, Ornithomimosauria, Alvarezsauroidea, and Therizinosauria. Thus tyrannoraptorans are divided into tyrannosauroids and maniraptoromorphs. The cladogram below shows Sereno's original concept for Tyrannoraptora. The Cladogram below shows the modern interpretation of Tyrannoraptora.

Official source

https://en.wikipedia.org/wiki/Tyrannoraptora

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Related concepts (2)

Alectrosaurus (əˌlɛktroʊ-ˈsɔːrəs; meaning "alone lizard") is a genus of tyrannosauroid theropod dinosaur that lived in Asia during the Late Cretaceous period, about some 96 million years ago in what is now the Iren Dabasu Formation. It was a medium-sized, moderately-built, ground-dwelling, bipedal carnivore, estimated at with a body shape similar to its much larger advanced relative, Tyrannosaurus.

Tyrannosauridae (or tyrannosaurids, meaning "tyrant lizards") is a family of coelurosaurian theropod dinosaurs that comprises two subfamilies containing up to thirteen genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three. All of these animals lived near the end of the Cretaceous Period and their fossils have been found only in North America and Asia.