[1] Japan Agcy Marine Earth Sci & Technol JAMSTEC, Kochi Inst Core Sample Res, Nankoku, Kochi, Japan
[2] McGill Univ, Redpath Museum, Montreal, PQ H3A 0C4, Canada
[3] Zigong Dinosaur Museum, Zigong City 643013, Sichuan Provinc, Peoples R China
[4] Waseda Univ, Fac Educ & Integrated Arts & Sci, Dept Earth Sci, Tokyo 1698050, Japan