Title: A giant scaphite from the Turonian (upper Cretaceous) of the western interior of the United States
First published: 1991
Subjects: Paleontology, Ammonoidea
Places: West (U.S.)
Time periods: Cretaceous
LC classification: QE75 .B9 no. 1934, QE807.A5 .B9 no. 1934