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You searched for: Collection paleontology Remove constraint Collection: paleontology Country United States Remove constraint Country: United States County Knox Remove constraint County: Knox Family Alethopteridae Remove constraint Family: Alethopteridae Phylum or Division Pteridospermatophyta Remove constraint Phylum or Division: Pteridospermatophyta Scientific Name Alethopteris sullivantii Remove constraint Scientific Name: Alethopteris sullivantii

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