Anchiornis is a genus of small, four-winged paravian dinosaurs, with only one known species, the type species Anchiornis huxleyi, named for its similarity...

Xiaotingia, Anchiornis, and Aurornis. Compared to Archaeopteryx, Xiaotingia was found to be more closely related to extant birds, while both Anchiornis and Aurornis...

feathers. In 2010, paleontologists studied a well-preserved skeleton of Anchiornis, an averaptoran from the Tiaojishan Formation in China, and found melanosomes...

specimens of the avialan Anchiornis has found that the traits exhibited by Aurornis fall within the range of variation in Anchiornis, warranting their synonymization...

A 2017 study describing new specimens of Anchiornis found Eosinopteryx only distinguishable from Anchiornis in the length of the tail, but the tail of...

Dromaeosauridae. The clade containing avialans, microraptorians, unenlagiids, Anchiornis, and Xiaotingia to the exclusion of Eudromaeosauria was named Averaptora...

genera (or between individuals in the case of numerous genera such as Anchiornis). Most had vaned tail feathers forming a frond-shaped tail, with the tails...

million years ago. The avialan species from this time period include Anchiornis huxleyi and Aurornis xui. Xiaotingia zhengi used to be considered a member...

and Oliver Rauhut concluded it was more closely related to the Chinese Anchiornis and introduced the generic name Ostromia, named after Ostrom. The only...

recovered as an avialan, while Xiaotingia remained closely allied to Anchiornis within the Troodontidae. In 2012, an expanded and revised version of the...