RT Journal Article SR Electronic T1 Preliminary description of new Tertiary mammals JF American Journal of Science JO Am J Sci FD American Journal of Science SP 202 OP 224 DO 10.2475/ajs.s3-4.21.202 VO s3-4 IS 21 A1 Marsh, O. C. YR 1872 UL http://www.ajsonline.org/content/s3-4/21/202.abstract AB