Fauna der Gaskohle und der Kalksteine der Permformation Böhmens, Band 2 (4) 114 pp.(Rivnác), Prague.
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Variation of xenacanthid teeth in the Permo-Carboniferous deposits of the Saar-Nahe Basin (SW-Germany). Pollichia–Buch, 29, New Research on Permo–Carboniferous Faunas, Heidtke, U.H.J(eds): 37–51, 5 fig.
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Xenacanthid genera: How many and how to tell them apart? Pollichia–Buch, 29, New Research on Permo–Carboniferous Faunas, Heidtke, U.H.J. (eds): 23–35
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Zur funktionellen Deutung des Dorsalstachels und der Placoidschuppen der Xenacanthida (Chondrichthyes: Elasmobranchii; Unterperm). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 206(1), 29–51