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Ueber die Orthoceren des Kohlenkalks Carboniferous limestone von Irland BHL. Ueber die Orthoceren des Kohlenkalks Carboniferous limestone von Irland und ber eine neue und merkwrdige nautilushnliche Schale aus demselben Horizont Arthur Foord Text Illustration biodiversitylibrary org title Foord Arthur Universitt Mnchen NOTINCOPYRIGHT