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The Quarterly journal of the Geological Society of London . Quart Jo irn Oeol Soc Vol XXXVI PI Foord ddellith SKULL OP ARGILLORNIS LONQIPENNIS Pl II Illustration biodiversitylibrary org Geological Society of London NameFound Argillornis lonqipennis NameConfirmed Argillornis longipennis Owen Biodiversity Heritage Library