Newberry, J.S. (1897)
New species and a new genus of American Palaeozoic fishes, together with notes on the genera Oracanthus, Dactylodus, Polyrhizodus, Sandalodus, Deltodus. Transactions of the New York Academy of Sciences, 16, 282–304
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