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4 Specimen Results
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Order:
Equisetales
State/Province:
Illinois
Individual/Organization:
Sternberg, G.F.
FHSM PB-268
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-275
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-278
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-351
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
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Phylum
Pteridophyta (4)
Family
Calamitaceae (4)
Genus
Annularia (4)
Period
Pennsylvanian (4)
Formation
Mazon Creek (4)
Country
United States of America (4)
County
Grundy (4)