TY - RPRT TI - Conodont biostratigraphy of a more complete Reef Trail Member section near the type section, latest Guadalupian Series type region AU - Bruce R. Wardlaw AU - L.L. Lambert AU - G.L. Bell AU - J.A. Fronimos AU - M.O. Yisa PY - 2010 UR - https://pubs.usgs.gov/publication/70044344 ID - 70044344 ER -