Lehman, T.M. & Wick, S.L. & Brink, A.A. & Shiller, T.A. (2019)
Stratigraphy and vertebrate fauna of the lower shale member of the Aguja Formation (lower Campanian) in West Texas. Cretaceous Research, 99, 291–314
DOI: 10.1016/j.cretres.2019.02.028

Schubert, J.A. & Wick, S.L. & Lehman, T.M. (2017)
An Upper Cretaceous (middle Campanian) marine chondrichthyan and osteichthyan fauna from the Rattlesnake Mountain sandstone member of the Aguja Formation in West Texas. Cretaceous Research, 69, 6–33
DOI: 10.1016/j.cretres.2016.08.008