RT Journal Article SR Electronic T1 A new order of extinct reptiles (Sauranodonta) from the Jurassic formation of the Rocky Mountains JF American Journal of Science JO Am J Sci FD American Journal of Science SP 85 OP 86 DO 10.2475/ajs.s3-17.97.85 VO s3-17 IS 97 A1 Othniel Charles Marsh YR 1879 UL http://www.ajsonline.org/content/s3-17/97/85.abstract AB