Parent taxon: Ornithothoraces according to I. D. S. Carvalho et al. 2021
See also Agnolin and Martinelli 2009, Chiappe 2002, Kurochkin et al. 2013, Liu et al. 2014, McLachlan et al. 2017, O'Connor et al. 2010, O'Connor and Sullivan 2014, O'Connor et al. 2016, O'Connor and Zelenkov 2013, Wang et al. 2020, Wang et al. 2014, Wang et al. 2014, Wang et al. 2020, Wang et al. 2014, Wang et al. 2016, You et al. 2006 and Zhang et al. 2014
Sister taxa: Alamitornis, Enantiornithes, Euornithes, Xinghaiornis
Subtaxa: Ambiortus Antarcticavis Apsaravis Archaeorhynchus Bellulia Changmaornis Chaoyangia Dingavis Eogranivora Gansus Hollanda Hongshanornithidae Iteravis Jianchangornis Jiuquanornis Juehuaornis Kaririavis Khinganornis Liaoningornis Ornithurae Patagopteryx Piscivoravis Schizooura Schizoouridae Songlingornithidae Vorona Yumenornis Zhongjianornis
Ecology: ground dwelling carnivore