A giant baculite from the upper Campanian and lower Maastrichtian of the western interior
By: by William A. Cobban and W. James Kennedy.
Contributors: Kennedy, W. J.
Series: Shorter contributions to paleontology and stratigraphy -- 1993; U.S. Geological Survey bulletin -- 2073-C
Publisher: U.S. Govt. Print. Off.
Published: 1994
Place of publication: Washington
Language: eng
Subjects: Ammonoidea -- Montana.; Ammonoidea -- Wyoming.; Ammonoidea -- Colorado.; Paleontology -- Montana.; Paleontology -- Wyoming.; Paleontology -- Colorado.
Description: Description of Pseudobaculites natosini (Robinson, 1945) from the Bearpaw Shale of Montana, the Lewis Shale of Wyoming, and the Pierre Shale of Colorado.
Notes: Includes bibliographical references (p. 3-4).