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9 Specimen Results
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State/Province:
Illinois
Genus:
Annularia
Filter by
Phylum
Pteridophyta (9)
Order
Equisetales (9)
Family
Calamitaceae (9)
Individual/Organization
Sternberg, G.F. (5)
Mrs. Danforth, F. (4)
Period
Pennsylvanian (9)
Formation
Mazon Creek (9)
Country
United States of America (9)
County
Grundy (9)