7 Specimen Results

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Phylum

Echinodermata (1)

Order

Palaechinoidea (1)

Class

Family

Acanthodidae (6)

Palaechinidae (1)

Genus

Individual/Organization

Zakrzewski, R.J. (6)

Wooster, L.C. (1)

Lockhard, W. (6)

Period

Carboniferous (6)

Epoch

Pennsylvanian (6)

Formation

Country

United States of America (7)

State/Province