. Elemente der palaeontologie. (Palaeozoologie.). Paleontology. Orthoceras duplex Wahleiihg. Unter Silur, Insel Oeland. Längsschnitt. 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 Hoernes, Rudolf, 1850-1912. Leipzig

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Keywords: ., bookcentury1800, bookdecad, booksubjectpaleontology, bookyear1884