1926 



TYPE AMMONITES— VI 



DCXXXVI 





X/ 



Ammonites vertebralis 

 Headington Quarry (Magdalen College Pit), Oxford 

 Bottom Course " ; S.B. Coll. 4419, purch. workman 

 S. 70, 40, 18-5 ?, 28-5 ; 102, 34, 0.17-5, 33 ; ribs 34 



VERTEBRICERAS COSTULOSUM, nov. 

 Cardioceratan, V ertebriceras ; Holotype. See DCXIX 



