1. Oishi Fossil Gallery of Mizuta Memorial Museum, Josai University Educational Corporation, 2-3-20 Hirakawa-cho, Chiyoda-ku, Tokyo 102-0093, Japan (e-mail: )
2. Kitakyushu Museum of Natural History and Human History, 2-4-1 Higashida, Yahatahigashi-ku, Kitakyushu 805-0071, Japan
3. Department of Natural Sciences, Faculty of Science and Engineering, Tokyo City University, 1-28-1 Tamazutumi, Setagaya-ku, Tokyo 158-8557, Japan
4. The Kyushu University Museum, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
5. The University Museum, the University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan