. Neues Jahrbuch für Mineralogie, Geologie and Paläontologie . Fiff. 10. H. Salfeld: Peltoceras Toucasi und P. transversarium. N. Jahrbuch f. Mineralogie etc. 1906. Bd. I. Taf. Fig. 11. H. Salfeld: Peltoceras Toucasi und P. transversarium. Jahrbuch £ Mineralogie etc. 1906 BdX

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Keywords: ., bookcentury1800, bookidneuesjah, booksubjectgeology, bookyear1830