1. Department of Geology and Paleontology, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, SK-842 15 Bratislava (Slovakia) and Geological-Paleontological Department, Natural History Museum Vienna, Burgring 7. A-1010 Vienna (Austria)
2. Museo Civico “G. Zannato”, Piazza Marconi 15, 36075 Montecchio Maggiore, Vicenza (Italy)