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11 Specimen Results
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Family:
Calamitaceae
Filter by
Phylum
Pteridophyta (11)
Order
Equisetales (11)
Family
Asterophyllites (1)
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)