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20 Specimen Results
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County:
Douglas
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Phylum
Chordata (1)
Pteridophyta (2)
Order
Equisetales (1)
Marattiales (1)
Class
Chondrichthyes (1)
Family
Asterophyllites (1)
Calamitaceae (1)
Marattiaceae (1)
Genus
Pecopteris (1)
Individual/Organization
Walker, M.V. (17)
Wooster, L.C. (1)
Elias, M.K. (1)
Period
Pennsylvanian (18)
Quaternary (1)
Formation
Lawrence (19)
Country
United States of America (20)
State/Province
Kansas (20)