Index of Fossiliferous Localities of the Olešná Member, Klabava Formation (Lower Ordovician of the Prague Basin, Czech Republic)
Kraft, Jaroslav, Mergl, Michal, Hroch, Tomáš, Kraft, Petr
The Earliest Cyrtina (Brachiopoda, Cyrtinidina) in the Devonian of the Barrandian (Czech Republic)
Mergl, Michal