1927 



TYPE AMMONITES— VII 



DCCXXIX b 



Fig. i 



Fig. 2 



PORPOCERAS ACANTHUS, D'ORBIGNY SP. 



" Barrington, Somerset ; Upper Lias, loose " [Bed 18/19] 



M.P.G. Coll. 31637 ; S. 59, 31, 46, 44 ; 90, 25-5, 30, 53-5 



Max. c. 95. Body-chamber over a whorl in length 



NODICCELOCERAS ACANTHUS, d'Orbigny sp. 

 Harpoceratan, falciferum. See LXXXIX 



