Vol. s3-39, Issue 233, 1890May 01, 1890 EDT
Additional Characters of the Ceratopsidae, With Notice of New Cretaceous Dinosaurs
Additional Characters of the Ceratopsidae, With Notice of New Cretaceous Dinosaurs
Othniel Charles Marsh,
Marsh, O. C. (1890). Additional characters of the Ceratopsidae, with notice of new Cretaceous dinosaurs. American Journal of Science, s3-39(233), 418–426. https://doi.org/10.2475/ajs.s3-39.233.418