29 Specimen Results

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Class

Family

Acanthodidae (7)

Genus

has media

Has no media (9)

Individual/Organization

Zakrzewski, R.J. (7)

Lockhart, Walter (1)

Period

Carboniferous (7)

Pennsylvanian (20)

Epoch

Pennsylvanian (7)

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United States of America (29)

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