type specimen holotype Paleogene Oligocene unknown FEU-1022891
| | type specimen lectotype Neogene Miocene Vienna Basin Baden FEU-1007424
| | identified by scientist Neogene Miocene Vienna Basin Baden FEU-1007425
| | identified by M. Hesemann Neogene Miocene North European Plain Gross Pampau FEU-1015046
| | identified by M. Hesemann Neogene Miocene North European Plain Winterswijk Borehole FEU-1015988
| |