1919 



TYPE AMMONITES— III 



CXXXIVb 



Fig I, x 2.5 



Pig. 2, X 2.5 



Sph/EROCERAS perexpansum, S. Buckman, 1882, Holotype 

 Proc. Dorset N.H. & A.F.C. IV, 142 ; 11, 4 ; " Sherborne, Dorset 

 Inferior Oolite, probably zone of Stephan-Hiimphricsianum " 

 S. Buckman, ex J. Buckman, Coll. 474 



LABYRINTHOCERAS PEREXPANSUM, S. Buckman sp. 

 Bajocian, sauzei ; Genotype 



