About SATO Tamaki
About Tokyo Gakugei Univ., Tokyo, JPN
About HANAI Tomoya
About Univ. Tokyo, Tokyo, JPN
About HAYASHI Shoji
About Okayama Univ. Sci., Okayama, JPN
About HAYASHI Shoji
About Osaka Univ., Osaka, JPN
About NISHIMURA Tomohiro
About Hobetsu Museum, Hokkaido, JPN
About Paleontological Research
About Reptilia
About stratum
About description of fossil
About biostratigraphy
About paleoecology
About Cretaceous Period
About anatomy
About Hokkaido
About animal fossil
About Polycotyidae科
About Yezo group
About late Cretaceous
About Osteology
About 首長竜目
About Mesozoic
About 北海道
About 小平
About チューロニアン
About 爬虫類
About 鰭
About 生層序
About 古生態学
About 重要性