1921 



TYPE AMMONITES— III 



CCLVIII 



l-ig. . 



l'is 



X 2 



F'g- 3. 



X 2 



Fig. i a, X 2 



SPHJJROCERAS BRONGNIARTI ; S. BUCKMAN, l88l, Clt. spec. 



Q.J.G.S., XXXVII, 597 ; " Sherborne, Dorset, I.O. Humph, z. 

 S.B., ex J. B., Coll. 3502 ; S. (575, 57, 103, — ) ? ; 85, 50, 73, 17 

 Max. 9. Perhaps one of the smallest Jurassic Ammonites 



SPHiEROCERAS TUTTHUM, Nov. 

 Bajocian, niortensis ; Holotype 



