. Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Paleontology, Stratigraphic; Paleontology. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Koken, Ernst (Ernst Friedrich Rudolf Karl), 1860-1912. Leipzig H. Tauchnitz

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpaleontology, bookyea