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2 Specimen Results
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Family:
Alethopteridaceae
Individual/Organization:
Mrs. Danforth, F.
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Phylum
Pteridophyta (2)
Order
Trigonocarpales (2)
Genus
Alethopteris (2)
Period
Pennsylvanian (2)
Formation
Mazon Creek (2)
Country
United States of America (2)
State/Province
Illinois (2)
County
Grundy (2)