1925 



TYPE AMMONITES— VI 



DCXI 



X 0-73 



^/h^otM^ ^ifv 



SoNNiNiA mammillate, S. Buckman, i8g8, cit. spec. 



Q.J.G.S., Hi, 680, § IV, 5 ; " N. main-road Quarry, Dundry, Somerset 



" Bajocian, Ironshot, sauzei ; S. B. Coll. 296 " 



S. 100, 40, 24, 32 ; 179, 37, 24, 35 ; max. c. 340 

 Spines smaller and central coiling slower than P. mesacanthum 



PAPILLICERAS MICRACANTHICUM, Nov. 

 Sonninian, propinquans ; Holotype. See DLVII 



