. Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Paleontology, Stratigraphic; Paleontology. 1. Oirrus Sw. Br. Jura. 2, 3. Platyacra iuipressa Schafh. sp. Trias. Fig. 98. Fig. 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