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4 Specimen Results
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Individual/Organization:
Mrs. Danforth, F.
Family:
Calamitaceae
FHSM PB-205
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-206
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-213
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
FHSM PB-214
Annularia
(Sternberg, 1821)
Formation:
Mazon Creek
Period(Early):
Pennsylvanian
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Phylum
Pteridophyta (4)
Order
Equisetales (4)
Genus
Annularia (4)
Period
Pennsylvanian (4)
Formation
Mazon Creek (4)
Country
United States of America (4)
State/Province
Illinois (4)
County
Grundy (4)