Archaeopterygidae is a group of paravian dinosaurs, known from the latest Jurassic and earliest Cretaceous of Europe. In most current classifications...

a distinct family, a basal subfamily of Troodontidae, members of Archaeopterygidae, or an assemblage of dinosaurs that are an evolutionary grade within...

Archaeornithes. Due to the popularity of Archaeornithes as well as Archaeopterygidae being recognized as the only family in this clade, Sauriurae, Archaeornithes...

only slightly less likely than this hypothesis, and as likely as Archaeopterygidae and Troodontidae being sister clades. As in the wings of modern birds...

†Oviraptorosauria (mostly toothless; their diet and lifestyle are uncertain) †Archaeopterygidae (small, winged protobirds) †Dromaeosauridae (small to medium-sized...

†Archaeopterygidae...

various phylogenetic positions, including close to Troodontidae or Archaeopterygidae. The results of the phylogenetic analyses by Xu et al. are shown in...

†Deinonychosauria (toe-clawed dinosaurs; may not form a natural group) †Archaeopterygidae (small, winged theropods or primitive birds) †Troodontidae (omnivores;...

dromaeosaurid. All dromaeosaurids have also been referred to the family Archaeopterygidae by at least one author (which would, in effect, make Velociraptor...

Archaeopteryx and Xiaotingia belonged to the Deinonychosauria in the clade Archaeopterygidae. This led to popular reports that "Archaeopteryx is no longer a bird"...