TY - RPRT TI - Conodont faunas from a complete basinal succession of the upper part of the Wordian (Middle Permian, Guadalupian, West Texas) AU - Bruce R. Wardlaw AU - Merlynd K. Nestell PY - 2015 UR - https://pubs.usgs.gov/publication/70187776 ID - 70187776 ER -