SECONDARY 
_A- 
ARRANGEMENT OF THE STRATA CONTAINING 
ORGANIC REMAINS. 
FORMATIONS. 
MODERN . 
TERTIARY. 
r 
Chalk Series. 
Green Sand 
Series. 
Oolitic Series. 
New Red Sand¬ 
stone. 
Carboniferous 
Series. 
v OldRedSandst. 
TRxiNSITION...... 
STRATA. 
5 
X 
■% 
\ 
S 
} 
Alluvium ......... 
Diluvium . 
Crag ..j. . 
Upper Marine ..... 
Bagshot Sand. 
Freshwater Beds ... 
London Clay and ) 
Plastic Clay .... $ 
r Chalk with Flints... 
•? Chalk without Flints 
( Chalk Marl. 
C Upper Green Sand . 
} Gault .. 
( Lower Green Sand 
Local C Weald Clay .. 
Estuary a Tilgate Beds .. 
formation. ( Purbeck Limes. 
Portland Oolite . 
Kimmeridge Clay. 
Coral Rag ...} 
Calcareous Grit..i 
Oxford Clay and ^ .... 
Kelloway’s Rock 5 • • • • 
Cornbrash.. 
Stonesfield Slate and > 
Forest Marble ...... $ 
Up. Sandst. Shale & Coal 
Great or Bath Oolite .. 
L. Sandst. Shale & Coal 
Inferior Oolite .. 
Lias and Alum Shale .. 
$ Magnesian Limestone I 
\ and Inf. Sandstone .. 5 
C Coal and Coal Grits .... 
a Mountain or Carboni- ^ 
(^ ferous Limestone .. > 
$ Old Red Sandstone } 
j 
and Conglomerate f 
Transition Limestone 
and Sandstone 
CHARACTERISTIC FOSSILS. 
Extinct sp. of Stag, Fluviatile Shells. 
Remains of extinct Mammalia. 
$ Marine exuviae, some of which 
| agree with recent species. 
Nummulites. 
Fluviatile and Terrestrial Shells. 
( Reptilia, Fish, Shells numerous, 
i Seed-vessels, Dicotyledonous Plants, &c. 
C Many extinct Genera of Testacea, 
< Univalves scarce. First appear¬ 
ed anceof Belemnites&Ammonites. 
Pecten orbicularis & quinquecostatus 
Belemnites Listen, Inoceramus concentricus. 
Trigonia, Pecten quadricostata, &c. 
Cypris, Cyclas, and Paludinae. 
Plants and Sauria. 
Fish and Testudines. 
Cycadeoidea & Ammonites triplica- 
Ostrea deltoidea, Sauria, &c. [tus. 
$ Corals, Echini, and 
l Ammonites vertebralis. 
Gryphasa dilatata, Megalosaurus. 
Ammonites Callovicensis. 
Echinidae. 
S Plants, Crustacea, Insects, Fishes, 
( Sauria, Testudines, &c. 
Plants of the Family Filices, &c. 
Madrepores and Testacea. 
Cryptogamous Plants. 
Testaceous Remains. 
Dapedium Politum, Sauria, Pentacrinites,&c. 
5 Palaeothrissum, and certain Fishes 
l peculiar to rocks of this age. 
Arborescent Grasses, Ferns, &c. 
S Crinoidea, Producta, Spirifer, 
( Euomphalus, &c. 
Organic Remains rare 
^ne ) Trilobites, Orthocera, &c. 
« » • • y 
