FIG. 3 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin

FIG. 3. Comparison of macroconch (C, D) and microconch (A, B) of Scaphites (S.) depressus Reeside, 1927, in lateral view (A, C) and median cross section (B, D). The tick marks indicate the base of the body chamber. A, B. ×1.5; C, D. ×1.