Title: Some upper Cretaceous ammonites from the Nacatoch Sand of Hempstead County, Arkansas
First published: 1991
Subjects: Paleontology, Ammonoidea
Places: Arkansas, Hempstead County
Time periods: Cretaceous
LC classification: QE75 .B9 no. 1985A-F, QE807.A5 .B9 no. 1985A-F