Location coordinates for all localities

Exact location data for all studied specimens that were used in this study of Desmoinesian conodonts from the Illinois Basin in Indiana, Illinois and Kentucky. This list includes samples from the Perth and Holland Limestone members of the Staunton Formation (Rexroad et al., 1996; Rexroad et al., 1998); the Mecca Quarry Shale and Velpen Limestone members of the Linton Formation (Rexroad et al., 2001); the Springfield Coal Member of the Petersburg Formation (Rexroad, 1993); the Alum Cave Limestone (Brown et al., 2016), Bucktown Coal (Brown et al., 2013a), and Providence Limestone members (Brown et al., 1991) of the Dugger Formation; and the West Franklin Limestone Member of the Shelburn Formation (Brown and Rexroad, 2009).