Fig. 89 in A Revision Of The Turonian Members Of The Ammonite Subfamily Collignoniceratinae From The United States Western Interior And Gulf Coast

• Main Authors: KENNEDY, W. JAMES, COBBAN, WILLIAM A., LANDMAN, NEIL H.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2001
• Subjects: Biodiversity; Taxonomy; Beaver Creek
• Online Access: https://doi.org/10.5281/zenodo.5382298

Fig. 89. Prionocyclus novimexicanus (Marcou, 1858). A, B. Holotype of Prionocyclus wyomingensis elegans Haas, 1946, the original of Whitfield, 1880, plate 14, figures 1, 2. C, D. Original of Whitfield, 1880, plate 14, figure 3. Both specimens are registered as USNM 12283, ''in silico­calca...