1. Ornithological Section, Senckenberg Research Institute and Natural History Museum Frankfurt Frankfurt am Main Germany
2. Geological‐Paleontological Department, Natural History Museum Vienna Vienna Austria
3. Department of Palaeobiology Institute of Geology, Czech Academy of Sciences Prague 6 Czech Republic
4. CR2P—Centre de recherche en Paléontologie–CNRS/MNHN/Sorbonnes Université, Bâtiment de Géologie Paris France
5. Central Research Laboratories, Natural History Museum Vienna Vienna Austria
6. Institute of Systematics and Evolution of Animals, Polish Academy of Sciences Kraków Poland