1926 



TYPE AMMONITES— VI 



DCLIV 



Fig. I 



Fig. 3 



Stephanoceras commune 

 Middleton Cheney, S.W. Northants ; Up. & Mid. Lias Junction 

 Transition Bed [athleticum] ; S. B. Coll. 4641 

 S. 45, 28, 22, 51 ; 67, 24, 20, 57 ; max. c. 120 



ORTHODACTYLITES DIRECTUS, nov. 

 Harpoceratan, directus ; Genotype, Holotype. Cf. CLVII 



