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Genus:
Pecopteris
Individual/Organization:
Mrs. Danforth, F.
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Phylum
Pteridophyta (9)
Order
Marattiales (9)
Family
Marattiaceae (9)
Period
Pennsylvanian (10)
Formation
Mazon Creek (10)
Country
United States of America (9)
State/Province
Illinois (9)
County
Grundy (9)