1911 



YORKSHIRE TYPE AMMONITES XXXVI 



Ammonites nautiformis, J. Buckman, 1844 



S. Buckman coll. ex J. Buckman coll., Holotype 



Apertural view x 0.62. Dumbleton, Gloucestershire 



^GOCERAS NAUTILIFORME, J. Buckman sp. 



