. Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Paleontology, Stratigraphic; Paleontology. y. s. 6'. 1., 1. Spirifer f Syringothyris) cuspidafus Sow. Kohlenkalk. ü. Spirifer alatus Schi. Zechstein. 3. Cyrtia trapezoidali s Dalin. sp. Obersilur. 5. Spiriferina multiplicata Sow. Zechstein. (Vergrössert.) 6. Cyrtina heteroclita Schi. Mitteldevon. 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 res

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. Die Leitfossilien, ein Handbuch für den Unterricht und für das Bestimmen von Versteinerungen. Paleontology, Stratigraphic; Paleontology. y. s. 6'. 1., 1. Spirifer f Syringothyris) cuspidafus Sow. Kohlenkalk. ü. Spirifer alatus Schi. Zechstein. 3. Cyrtia trapezoidali s Dalin. sp. Obersilur. 5. Spiriferina multiplicata Sow. Zechstein. (Vergrössert.) 6. Cyrtina heteroclita Schi. Mitteldevon. 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