12 



TYPE AMM0NITES~IV 



June 



lA 



TABLE X- JURASSIC 

 IB II 



Lower Inferior Oolite 



Bridport Sands 



(upper part) 

 (Dun Caan Beds) 



— Aalenian 



— — — Inferior Oolite Sands 



Yeovil Sands 



Midford Sands 



Cotteswold Sands 



Upper Lias Sands Toarcian 



Lower Lias Limestones 



Basal Lias 



Lower Lias 



Tre-planorbis Beds 



Hettangian 



