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Arthopods (27) |
Coal balls (27) |
Cones (Botany) (27) |
Conifers, Fossil (27) |
Cordaites (27) |
Desmoinian North American Stage (Desmoinesian) (27) |
Geology, Strategraphic--Carboniferous (27) |
Geology, Stratigraphic--Pennsylvanian (27) |
Golden Coprolite (27) |
Strobilus (27) |