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. (1908)
Catalogue of the type and figured specimens of fossil Vertebrates in the American Museum of Natural History. Part. I. Fishes.
Bulletin of the American Museum of Natural History, 25: 1–103, 49 text–fig., pl. 1–6