. Neues Jahrbuch für Mineralogie, Geologie and Paläontologie . H. Salfeld: Peltoceras Toucasi und P. transversarium. N. Jahrbuch f. Mineralogie etc. 1906. Bd. Taf. Fio-. 6 a. Fm\ 6 b.

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Keywords: ., bookcentury1800, bookidneuesjah, booksubjectgeology, bookyear1830