35 Specimen Results

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Phylum: County:

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Order

Equisetales (9)

Marattiales (13)

Trigonocarpales (13)

Family

Alethopteridaceae (5)

Calamitaceae (9)

Marattiaceae (13)

Medullosaceae (8)

Genus

Alethopteris (5)

Codonotheca (2)

Neuropteris (6)

Pecopteris (13)

Individual/Organization

Sternberg, G.F. (18)

Mrs. Danforth, F. (17)

Period

Pennsylvanian (35)

Formation

Mazon Creek (36)

Country

United States of America (35)

State/Province