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Report Fossil
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By oilshale
Hybodontid shark
Kingdom: Animalia
Eon: Phanerozoic
Era: Paleozoic
Period: Carboniferous
Sub Period: Pennsylvanian
Epoch: Middle
International Age: Moscovian
Kewanee Group
Carbondale Formation
Acquired by: Purchase/Trade
Pit 11
Mazon Creek
Illinois
United States
Close up of first dorsal spine
References:
R. Zangerl. 1979. New Chondrichthyes from the Mazon Creek fauna (Pennsylvanian) of Illinois. Mazon Creek Fossils 449-500
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