Vol. s3-3, Issue 17, 1872May 01, 1872 EDT
Preliminary Description of Hesperornis Regalis, With Notice of Four Other New Species of Cretaceous Birds
Preliminary Description of Hesperornis Regalis, With Notice of Four Other New Species of Cretaceous Birds
Othniel Charles Marsh,
Marsh, O. C. (1872). Preliminary description of Hesperornis regalis, with notice of four other new species of Cretaceous birds. American Journal of Science, s3-3(17), 360–365. https://doi.org/10.2475/ajs.s3-3.17.360