1. A. A. Borissiak Palaeontological Institute of the Russian Academy of Sciences, Moscow 117997, Russia
2. Department of Biology, Case Western Reserve University, Cleveland, OH 44106, USA
3. Department of Vertebrate Zoology, Saint Petersburg State University, Saint Petersburg 199034, Russia
4. Natural History Museum, London SW7 5BD, UK
5. Centre for Craniofacial Regenerative Biology (CCRB), Faculty of Dentistry, Oral and Craniofacial Sciences, King’s College, London SE1 1UL, UK
6. School of Molecular and Life Sciences, Curtin University, Perth 6845, Australia
7. E. E. Shimkevich Andreapol Historical and Natural History Museum, Andreapol 172800, Russia