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Geology Resources
» Common Types of Illinois Fossils
Common Types of Illinois Fossils
Blastoids
Bryozoans
Cephalopods
Conodonts
Corals
Crinoids
Cystoids
Echinoderms
Foraminifera
Gastropods
Graptolites
Horseshoe Crabs
Insects
Marine Worm Jaws
Ostracodes
Pelecypods
Plant Fossils
Sponges
Trilobites
Vertebrate Fossils
Brachiopods
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