The Maastrichtian ammonites Coahuilites sheltoni Böse, 1928, and Sphenodiscus pleurisepta (Conrad, 1857), from the uppermost Pierre shale and basal Fox Hills formation of Colorado and Wyoming. American Museum novitates ; no. 3186

By

Cobban, William Aubrey, 1916-
Kennedy, W. J. (William James)
Landman, Neil H.

Type

Book

Publication info

1996

Language

English