Title: Gastropoda, Cephalopoda, and Trilobita of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming
First published: 1975
Subjects: Cephalopoda, Fossil, Fossil Cephalopoda, Fossil Gastropoda, Gastropoda, Fossil, Paleontology, Trilobites
Places: Wyoming
Time periods: Carboniferous
LC classification: QE808 .G67