The Dabeigou Formation () is a palaeontological formation located in Hebei, China.Dabeigou Formation at Fossilworks.org It dates from the mid Valanginian to Hauterivian age of the Cretaceous period, approximately 135 to 130 Ma.Qin et al., 2018
Fossil content Fossils include the confuciusornithiform bird Eoconfuciusornis.Zhang et al., 2008 As of 2016 this is the oldest bird with a toothless beak known, but it belongs to a very ancestral avian lineage not closely related to living birds. Birds Jinguofortis perplexusWang & Stidham, 2018 Amphibians Regalerpeton weichangensisRong, 2018 Insects
Amplicella beipiaoensisKopylov & Zhang, 2015 A. exquisita A. shcherbakovi Brachyopteryx weichangensisHong, 1984 Chresmoda multinervisZhang et al., 2009 C. shihi Coptoclava longipoda Glypta qingshilaensisRen, 1995 Hebeicoris xinboensis Jibeigomphus xinboensis Manlayamyia dabeigouensisZhang, 1986 Mesasimulium laihaigouense M. laiyangensis Mesolygaeus hebeiensis Mesoplecia xinboensis Pleciofungivora yangtianense Priscotendipes mirus Vitimoilus ovatus Notocupes lentus Amplicella sp. Ichneumonidae indet. Tanychorinae indet.
See also List of fossil sites
References
Bibliography
Further reading (1993); Wildlife of Gondwana. Reed.