1926 



TYPE AMMONITES— VI 



DCXXXIV 



" Amaltheus cordatus " 



" [Calne], Wiltshire ; Lower Calcareous Grit 



" J.W.T. Coll. ; S. 65, 45, 31, 21-5 ; 120, 42-5, 33, 26 " 



PACHYCARDIOCERAS ROBUSTUM, Nov. 

 Cardioceratan, excavatiim ; Genotype, Holotype. Cf. CDXX 



