GRAPTOLITES range
Ordovician - devonian
ammonites (CEPHALOPOD) range
Cambrian - present
GASTROPODS range
Cambrian - present
nautiloids (CEPHALOPOD) range
devonion- cretaceous
belemenites (CEPHALOPOD) range
carboniferous - recent
TRILOBITES range
Cambrian - permian
CORALS range
Cambrian - present
BRACHIPODS range
Cambrian - present
ECHINOIDS range
Ordovician - present
BIVALVE range
early Cambrian–recent
Crinoid (ECHINOID)
Ordovician - present