Turner, S. (1997)
Dittodus species of Eastman 1899 and Hussakof and Bryant 1918 (Mid to Late Devonian). Modern Geology, 21, 87–119
Ginter, M. (2004)
Devonian sharks and the origin of Xenacanthiformes. In ARRATIA, G., WILSON, M. V. H. and CLOUTIER, R. (Eds.), Recent advances in the origin and early radiation of vertebrates. Honoring Hans–Peter Schultze: 473–486
Ginter, M. & Wilk, O. (2021)
Middle Palaeozoic chondrichthyans and the associated ichthyofauna from southern Poland: a review. Annales Societatis Geologorum Poloniae, 91(3), 253–286
DOI: 10.14241/asgp.2021.13