igii 



^1 MMONITES KA DIA 'IVS 



35<: 



Comparable Species 



Am. fowleri. J. Buckman, 1844, xn, 7; refig. Pal. U. 1904, 37. 

 Am. denotatus, Simpson, 1855, 76, type figd. as Arietites collenotii ; 



Wright, 1881, XXII B. 

 Am. chmiacensis, Dumortier, 1867, xxv, 8 — 10. 

 Arietites denotatus ; Wright, 1878, vi, i. 

 A.impendens ; Wright, 1881, xxn A, 4. 

 A . colle-notii ; Wright, 1881, xxii a, 6 — 9; xxii B. 

 Am. impendens ; Quenstedt, 1884, xx, 7 — 10. 

 Asteroceras collenoti ; Hyatt, 1889, x, 10. 



