18 Specimen Results

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Individual/Organization: Phylum:

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Order

Equisetales (5)

Marattiales (4)

Trigonocarpales (9)

Family

Alethopteridaceae (3)

Calamitaceae (5)

Marattiaceae (4)

Medullosaceae (6)

Genus

Alethopteris (3)

Codonotheca (1)

Neuropteris (5)

Period

Pennsylvanian (17)

Formation

Mazon Creek (18)

Country

United States of America (18)

State/Province

County