The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming.  By William A. Cobban and W.J. Kennedy
Contributors: Kennedy, W.J.
Publisher: U.S. Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Paleontology - Montana; Paleontology - Wyoming
Notes: 11