Quantitative morphological description of the Late Cretaceous ammonite Baculites inornatus Meek from western North America: implications for species concepts in the biostratigraphically important Baculitidae

Integration of macrofossil biostratigraphy and magnetostratigraphy for the Pacific Coast Upper Cretaceous (Campanian–Maastrichtian) of North America and implications for correlation with the Western Interior and Tethys