7927 



TYPE AMMONITES— VII DCCXXXVI a 



x 0-3 



&s% 



" Perisphinctes martelli " 



Headington Quarry, (Magdalen Coll. Pit), Oxfordshire 



Corallian, " Shell Bed " ; S.B. Coll. 4289, purch. 



Massive ribs not opposite; largest (in S.E.), 68 from mid. = c. 41% 



EL = Li=N. (Martelliceras, Schindewolf, 1925) 



MARTELLICERAS ORIENTALE, Siemiradzki, 1899, 259 

 Perisphinctean, biplex (martelli). Cf. DCCXIV 



