53 Specimen Results

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Phylum

Pteridophyta (2)

Order

Equisetales (1)

Marattiales (1)

Family

Asterophyllites (1)

Calamitaceae (1)

Marattiaceae (1)

Genus

has media

Has no media (19)

Individual/Organization

Walker, M.V. (51)

Elias, M.K. (1)

Period

Pennsylvanian (52)

Formation

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United States of America (53)

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