192'/ 



TYPE AMMONITES— VI 



DCXCV 



•'-• xis-si 



Fig. I 



Fig. 2 



Pleurechioceras DEClDUUM ; Trueman & Williams, 1925, Genotype 

 Echioc. ; Trans. R. S. Edinburgh, liii (3), 719 

 Kilmersdon Colliery Qy., Radstock, Somerset, J.W.T. Coll. G 33 

 " S. 55, 22'5, 20(17), 60; 80, 20, 19(16), 63," J.W.T. 



PLEURECHIOCERAS TYPICUM, NOV. 

 Deroceratan, Plesechioceras ; Genotype, Holotype. Cf. DCIX 



