Title: The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming
First published: 1989
Subjects: Paleontology, Metengonoceras
Places: Wyoming, Montana
Time periods: Cretaceous
LC classification: QE75 .B9 no. 1787-L, QE807.A5 .B9 no. 1787-L