This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
Corresponding author (Name, Year)
Ref.: O. C. Marsh. 1872. On two new ornithosaurians from Kansas. The American Journal of Sciences and Arts, series 3 3:374-375
E. D. Cope, 1874 - Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River - Bulletin of the United States Geological and Geographical Survey of the Territories, First Series (2), 3-48 (journal article, English)