^Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
^Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
^Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
^Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.
^Swezey, C.S., and Sullivan, E.C., 2004, Stratigraphy and sedimentology of the Upper Cretaceous (Campanian) Anacacho Limestone, Texas, USA: Cretaceous Research, v. 25, p. 473-497.