1. Department of Natural History, Ţării Crişurilor Museum, Dacia Ave. 1-3, 410464 Oradea, (Romania)
2. Department of Palaeontology and Geology, Hungarian Natural History Museum, 1088 Budapest, Pf. 137 (Hungary) szentesi.zoltan@nhmus.hu
3. Royal Tyrrell Museum of Palaeontology, Box 7500, Drumheller, Alberta T0J 0Y0 (Canada) james.gardner@gov.ab.ca