1927 



TYPE AMMONITES— VII 



DCCXXIX A 



PORPOCERAS ACANTHUS, d'OrBIGNY SP. 



(1850, Ceph. jur. ; Pal. franc., p. 568 ; 1850, Prodr., 225) 

 (1908, Thevenin, Types d'Orb., Ann. Pal. iii, 37 ; XI, 1) 

 " Shelway Lane, Barrington, Somerset ; M.P.G. 31637 " 



NODICCELOCERAS ACANTHUS, d'Orbigny sp. 

 Harpoceratan, falciferum. See LXXXIX 



