6 Specimen Results

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Phylum

Pteridophyta (6)

Order

Trigonocarpales (6)

Genus

Alethopteris (6)

has media

Has no media (5)

Individual/Organization

Sternberg, G.F. (3)

Elias, M.K. (1)

Mrs. Danforth, F. (2)

Period

Pennsylvanian (5)

Formation

Mazon Creek (5)

Country

United States of America (6)

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