1. Alvarenga, H.M., Um primitive membro de ordem Galliformes (Aves) do Terciário médio de Bacia de Taubaté, Estado de São Paulo, Brasil, An. Acad. Bras. Ciênc., 1995, vol. 67, pp. 33–44.
2. Badamgarav, D. and Reshetov, V.Yu., Paleontologiya i stratigrafiya paleogena Zaaltayskoy Gobi (Paleontology and Stratigraphy of the Paleogene of Transaltaic Gobi), Trudy Sovm. Sov.-Mong. Paleontols. Eksped., Vol. 25, Moscow: Nauka, 1985.
3. Baumel, J.J., King, A.S., Breazile, J.E., Evans, H.E., and Vanden Berge, J.C., Handbook of Avian Anatomy: Nomina Anatomica Avium. Cambridge, Mass.: Nuttall Ornithological Club, 1993.
4. Bertelli, S., Chiappe, L.M., and Mayr, G., A new Messel rail from the Early Eocene Fur Formation of Denmark (Aves, Messelornithidae), J. Syst. Palaeontol., 2011, vol. 9, pp. 551–562.
5. Harrison, C.J.O. and Walker, C.A., Birds of the British Lower Eocene, Tert. Res. Spec. Pap., 1977, no. 3, pp. 1–52.