1926 



TYPE AMMONITES— VI DCXXXVIII b 



X 079 



I 



Fig. 2 



Fig. I 



" Perisphinxtes dorsoplanus " 



Wheatley Brickyard, Wheatley, Oxfordshire ; Mus. Pract. Geol. 37483 



S. 118, 27, 25, 52 ; ribs 49 ; 190, 27, 35, 52 ; ribs, 38 ; max. c. 350 ; 



Peripheral ribs sometimes in zigzag style 



ALLOVIRGATITES DISTANS, Neaverson sp. 

 Allovirgatitan, woodwardi ; Topotype. See DCXXXVII 



