COPE, E.D. (1867)
An addition to the vertebrate fauna of the Miocene period, with a synopsis of the extinct Cetacea of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 19: 138–156.
HAY, O.P. (1902)
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179: 1–868
HUSSAKOF, L. & BRYANT, W.L. (1918)
Catalog of the fossil fishes in the Museum of the Buffalo Society of Natural Sciences. Bulletin of the Buffalo Society of Natural Sciences, 12: 1–346