Nanantius eosis the name of an Early Cretaceous (Albian, c. 100-112 mya) species of bird. It is the only described member of the genus Nanantius at present; the supposed second species Nanantius valifanovi has turned out to be a synonym of Gobipteryx minuta. N. eos is known from two incomplete tibiotarsi from the Toolebuc Formation stratum, the first (Queensland Museum F12992) found at Warra Station near Boulia, in Queensland (Australia). Other remains from Australia have also been placed into the genus Nanantius but not assigned to a species. Furthermore, there are some bones from the Late Cretaceous, found in the Bissekty Formation of the Kyzyl Kum desert, Uzbekistan, which belong either into Nanantius or a closely related genus; however, due to the date difference, they are almost certa