HANDBOOK OF FOSSILS. 



TABLE OF THE PRINCIPAL FOSSILIFEROUS STRATA 

 ARRANGED IN CHRONOLOGICAL ORDER. 



Quaternary, or 

 Pleistocene. 



Cainozoic, or 

 Tertiary. 



Cretaceous. 

 Neocomian. 



I Poikilitic. 



Carboniferous 



Silurian. 



Cambrian, 



( Alluvial Deposits, RiverValley ^ 



I Gravels and Cave Deposits. \y 



^ Drift and Glacial Deposits. 



/Pliocene. , 



j Miocene. 



v Eocene. 



( Chalk. 



j Upper Greensand. 



I Gault. 



( Lower Greensand. 



( Wealden. 



{Purbeck. 

 Portland. 

 Kimmeridge Clay. 

 ( Coral Rag. 

 I Oxford Clay. 



ICornbrash and Forest 

 Marble. 

 Great Oolite. 

 Fullers' Earth. 

 Inferior Oolite. 

 Lias. 



( Trias, or New Red Sandstone. 

 \ Permian. 

 xCoal Measures. 

 \ Millstone Grit and Yoredale 

 1 Rocks. 



vCarboniferous Limestone, etc. 

 Devonian and Old Red Sand- 

 stone. 



'Ludlow Beds. 

 Wenlock Beds. 

 Woolhope Beds. 

 Tarannon Shale. 

 Llandovery or May Hill 



Group. 

 /Bala and Caradoc Beds. 



Llandeilo Flags. 

 J Arenig Group. 

 4 Tremadoc Slates, 

 j Lingula Flags. 

 I Menevian Beds. 

 ^Longmynd and Harlech 



Group. 



Pre-Cambrian and Lauren- 

 tian. 



. > ^ *J{ <2 



n-. V 



n 



v/ 



