Two species are known, Incolonis silvae and Incolornis martini; the latter was initially placed in the genus Enantiornis. The estimated length of these animals was 135 mm for I. silvae and 220 mm for I. martini.[1]
References
^ abPanteleyev, A.V. (1998) New species of enantiornithines (Aves: Enantiornithes) from the Upper Cretaceous of central Kyzylkum. Russkii Ornitologicheskii Zhurnal Ekspress Vypusk 35:3-15.