. Die Leitfossilien : ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Invertebrates, Fossil. 1.—3. Porambonites Baueri Noetl. Untersilur. Fig. iU^ 1. Productus costatus Sow. Kohlenkalk. 2., 8. Productus semireticulatus Mart. Kohlen- kalk. 4., 7. Chonetes striatella Dalm. Obersiliir. 5., H. Strophalosia Goldfussi Mü, 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 Fri

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. Die Leitfossilien : ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Invertebrates, Fossil. 1.—3. Porambonites Baueri Noetl. Untersilur. Fig. iU^ 1. Productus costatus Sow. Kohlenkalk. 2., 8. Productus semireticulatus Mart. Kohlen- kalk. 4., 7. Chonetes striatella Dalm. Obersiliir. 5., H. Strophalosia Goldfussi Mü, 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 Friedrich Rudolph Karl, 1860-1912. Leipzig [Germany] : Chr. Herm. Tauchnitz

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinverte, bookyear1896