Fig. 57 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America

Fig. 57. Hoploscaphites nodosus (Owen, 1852), macroconch, USNM 536270, locality unknown. A. Right lateral; B. apertural; C. ventral; D. left lateral. This is the smallest macroconch known of this species and closely resembles Hoploscaphites compressus (Roemer, 1841). Specimen is illustrated natural size.