Zygodactylus, Taxa Only, Exact Match: 2 Treatments

Zygodactylus			Weidig, Ilka, 2010, New Birds from the Lower Eocene Green River Formation, North America, Records of the Australian Museum 62 (1), pp. 29-44 : 36	36
Dinosauria		new species	Smith, N. Adam, DeBee, Aj & Clarke, Julia A., 2018, Systematics and Phylogeny of the Zygodactylidae (Aves, Neognathae): with description of a new species from the early Eocene of Wyoming, USA, PeerJ 6, No. 4950 : 15	15