Re-evaluation of the Lower Miocene (Burdigalian, Ottnangian) elasmobranch fauna (Elasmobranchii, Neoselachii) from Upper Austria (Allerding, near Schärding, Austria) with comments on the paleogeographic distribution of the recorded squaliform sharks. Annalen des Naturhistorischen Museums in Wien, Series A, 122, 87–163