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11 Specimen Results
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Order:
Equisetales
Phylum:
Pteridophyta
Filter by
Family
Asterophyllites (1)
Calamitaceae (11)
Genus
Annularia (9)
Calamites (1)
Individual/Organization
Sternberg, G.F. (5)
Hamm, S.A. (1)
Elias, M.K. (1)
Mrs. Danforth, F. (4)
Period
Pennsylvanian (9)
Formation
Altamont (1)
Lawrence (1)
Mazon Creek (9)
Member
Lake Neosha (1)
Country
United States of America (11)
State/Province
Illinois (9)
Kansas (2)
County
Douglas (1)
Grundy (9)
Montgomery (1)