ABSTRACT: A latest Guadalupian conodont fauna containing two new species is described from the uppermost part of the Bell Canyon Formation and lowermost part of the Castile Formation from a continuous section exposed along Texas FM 2185 in the northwestern part of the Apache Mountains, West Texas. The new species are Jinogondolella latidentata and Jinogondolella gladiflexa. Other latest Guadalupian species present in this fauna include Jinogondolella artafrons, J. granti, J. crofti, and Clarkina hongshuiensis, the last species occurring in the very basal beds of the Castile Formation. The general evolution of Jinogondolella species in the Guadalupian is discussed.
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