The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming /
Cobban, William Aubrey,1916-
Kennedy, W. J.(William James)
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
1989.
"A multidisciplinary approach to research studies of sedimentary rocks and their constituents and the evolution of sedimentary basins, both ancient and modern."
Includes bibliographical references (p. 10-11).
Metengonoceras
Metengonoceras
Paleontology
Paleontology
Paleontology