RT Journal Article SR Electronic T1 A new Miocene mammal JF American Journal of Science JO Am J Sci FD American Journal of Science SP 409 DO 10.2475/ajs.s3-47.281.409 VO s3-47 IS 281 A1 Othniel Charles Marsh YR 1894 UL http://www.ajsonline.org/content/s3-47/281/409.abstract AB