1. Arthropod Lab – Borissiak Palaeontological Institute of Russian Academy of Sciences, Moscow, Russia
2. Centre de Recherche en Paléontologie – Paris (CR2P), MNHN – CNRS – Sorbonne Université, Paris, France
3. The Kyushu University Museum, Fukuoka, Japan
4. Mine City Office, Mine, Yamaguchi, Japan
5. Mine City Museum of History and Folklore, Mine, Yamaguchi, Japan