O. C. Marsh. 1870. On a number of vertebrae of a new Dinosaurian from the Cretaceous green sand near Barnsboro. Proceedings of the Academy of Natural Sciences of Philadelphia 22:2-3
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O. C. Marsh. 1870. On a number of vertebrae of a new Dinosaurian from the Cretaceous green sand near Barnsboro. Proceedings of the Academy of Natural Sciences of Philadelphia 22:2-3