7923 



TYPE A MMOMTES—I V 



CDXXII 



Fig. lb 



Fie. I 



Fig. I a 



X 1*8 



Ammonites siperstes 

 Rid's Hill Brickworks, Brill, Bucks ; Kimmeridge Clay 



Serpulite Bed ; S.B. Coll. 3S99 ; S. 13, 42, 2^, 24 

 S. 29, 42, 24, 26 ; 50, 42, 25, 27 ; size 54 ; max', c. 72 



PRIOXODOCERAS SUPERSTES, Phillips sp., 1871 

 Prionodoceratan, superstes. See CDXX 



