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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . Quart Journ Geol Soc Vol Ull Pl XXII Gangamopteris Equisetaceous Stem BEMROSE SONS LTD COLLO SlGILLARIA Pl XXII Illustration biodiversitylibrary org Geological Society of London NameFound Gangamopteris NameConfirmed Gangamopteris NameBankID Biodiversity Heritage