1920 



TYPE AMMONITES— III 



CXXXIXd 



x 07 



Ammonites biplex, Homceomorph of 



" [S.E.] England " ; [Boulder Clay, ex Ampthill Clay ?] 



Yale Univ. Mus. (U.S.A.) Coll., 1868 ; S. 97, 29, 26, 44 , 



S. 150, 31, 25, 47 ; 173, 30, 25, 48 



DICHOTOMOCERAS DICHOTOMUM, S. Buckman, 1919 

 Prionodoceratan, dichotomum ; Paratype 

 [Oct. 1927] 



