1921 



TYPE AMMONITES— III 



( ( I. VII, 



" Ammonites giganteus " 



S.B. Coll. 3485 ; Suture-line with long, florid Li, 



with rather long L2, but not so long as "Li, 



and recurved umbilical portion. Nat. size 



BRIAREITES POLYMELES, nov. 

 Portlandian, Titanites ; Genotype, Holotypc 



