Late Famennian conodonts from the Cerro la Cueva, Sonora, NW Mexico

This paper reports for the first time the presence of Famennian conodonts from a shallow marine succession exposed in the Cerro La Cueva, central Sonora, northwestern Mexico. The conodont fauna includes Bispathodus aculeatus aculeatus (Branson and Mehl), Bispathodus stabilis (Branson and Mehl), ‘Icriodus’ darbyensis Klapper, Polygnathus extralobatus Schafer, Polygnathus semicostatus Branson and Mehl, Polygnathus cf. inornatus E.R. Branson, and...