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4 Specimen Results
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Genus:
Annularia
Individual/Organization:
Sternberg, G.F.
Country:
United States of America
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)
Order
Equisetales (4)
Family
Calamitaceae (4)
Period
Pennsylvanian (4)
Formation
Mazon Creek (4)
State/Province
Illinois (4)
County
Grundy (4)