1926 



TYPE AMMONITES— VI 



CCCLIIId 



Fig- 3 



Fig, I 

 X oy5 



Fig. 2 

 X o-g2 



Ammonites rotundus 

 Chapmans Pool ; " Kim. Clay," [Nodule Bed, c. 15' above shore] 

 " Rotimdum Zone " ; S.B. Coll. 4364, inner whorls 

 S. 38, 33. 44. — ; 65. 31. 41. 43 ; ribs 27 ; SI. 20-5, 63, 49, 21 



LYDISTRATITES LYDITICUS, S. Buckman, 1922 

 Paravirgatitan, lyditicus ; Plesiotype. Cf. CCCVII 



