RT Journal Article SR Electronic T1 New discoveries in Devonian crustacea JF American Journal of Science JO Am J Sci FD American Journal of Science SP 120 OP 125 DO 10.2475/ajs.s3-25.146.120 VO s3-25 IS 146 A1 Clarke, John Mason YR 1883 UL http://www.ajsonline.org/content/s3-25/146/120.abstract AB