Holotype of Scaphites whitfieldi (USNM 106735). Original unmodified images provided by courtesy of the Smithsonian NMNH and adapted and presented here under a Creative Commons BY-NC 4.0 license (NMNH GUID http://n2t.net/ark:/65665/367af95af-158e-4db7-be34-cd2353e963ab). Scaphites whitfieldi from the Late Cretaceous Carlile Fm. (Turner Sandy Mbr.) of Niobrara County, Wyoming (YPM 391463).