Start:

Conodont, above lowest occurrence of Siphonodella sulcata.

Index Fossils:

Trilobites, Brachiopod, Coral, Graptolites, Crinoid and Ammonoid

Evolution:

Insects, amphibians, reptiles; fishes, clams, crustaceans

Geography:

Continental collisions, formation of the supercontinent Pangea, mountain formations, uniform, tropical, and humid climate

Rocks:

Sandstone, shale, coal, ironstone, flint, conglomerate, limestone and coal