1921 



TYPE AMMONITES— III 



CCXXXIVa 



Fig. 2 



Fig. i 



X o-57 



Ammonites obliquatus, Young & Bird, 1828, Holotype 



Geol. Yorkshire, p. 265 ; "Hawsker shore ; hard bands " 



[Peak, near Whitby ; U. Lias ; Peak Shales] ; Whitby Museum, No. 222 



*. 207 (118), 30, 17, 44, — keel ; max. c. 220 



PELECOCERAS OBLIQUATUM, Young & Bird sp. 

 Whitbian, variabilis. See II, p. x 



