RT Journal Article SR Electronic T1 Occurrence of Goniolina in the Comanche series of the Texas Cretaceous JF American Journal of Science JO Am J Sci FD American Journal of Science SP 64 OP 65 DO 10.2475/ajs.s3-40.235.64 VO s3-40 IS 235 A1 Robert Thomas Hill YR 1890 UL http://www.ajsonline.org/content/s3-40/235/64.abstract AB