1. Museum of Osaka University, Toyonaka, Osaka, Japan
2. Museum of Natural and Environmental History, Shizuoka City, Japan
3. Northeastern Research Institutes of Petrified Wood and Mineral Resources, Nakhon Ratchasima Rajabhat University, Nakhon Ratchasima, Thailand
4. Geoinformatics Program, Faculty of Science and Technology, Nakhon Ratchasima Rajabhat University, Nakhon Ratchasima, Thailand