even though consensus exists between researchers that birds developed from coelurosaurian theropods, paleontologists nonetheless debate the identity of the crowd of coelurosaurians that almost all heavily methods the typical ancestor of birds. The final two decades witnessed the invention of a big selection of avian-like theropods that has significantly amplified the anatomical disparity between deinonychosaurians, a few of which resemble Archaeopteryx greater than Deinonychus. between those newly stumbled on theropods that exhibit outstanding bird-like features are the four-winged theropods Microraptor and Anchiornis, and the unenlagiids Unenlagia, Buitreraptor, and Rahonavis. A strange crew of minute-sized coelurosaurs, the Scansoriopterygidae, additionally shows a few avian similarities that lead a few authors to interpret them as extra heavily on the topic of birds than different dinosaurs. With the purpose to discover the phylogenetic relationships of those coelurosaurians and birds, we merged lately released integrative databases, leading to major adjustments within the topological distribution of taxa inside Paraves. We current facts that Dromaeosauridae, Microraptoria, Unenlagiidae, and Anchiornis + Xiaotingia shape successive sister taxa of Aves, and that the Scansoriopterygidae are basal coelurosaurians no longer heavily with regards to birds. the consequences within the evolutionary series of anatomical characters resulting in birds, together with the beginning of flight, also are thought of in mild of this new phylogenetic hypothesis.