Vol. s3-12, Issue 72, 1876December 01, 1876 EDT
Principal Characters of American Pterodactyls
Principal Characters of American Pterodactyls
Othniel Charles Marsh,
Marsh, O. C. (1876). Principal characters of American pterodactyls. American Journal of Science, s3-12(72), 479–480. https://doi.org/10.2475/ajs.s3-12.72.479