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14 Specimen Results
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Order:
Marattiales
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Phylum
Pteridophyta (14)
Family
Marattiaceae (14)
Genus
Pecopteris (14)
Individual/Organization
Sternberg, G.F. (4)
Walker, M.V. (1)
Mrs. Danforth, F. (9)
Period
Pennsylvanian (14)
Formation
Lawrence (1)
Mazon Creek (14)
Country
United States of America (14)
State/Province
Illinois (13)
Kansas (1)
County
Douglas (1)
Grundy (13)