New genera of trilobite family Phillipsidae from the Takakura-yama Group (Permian), Abukuma Massif in Japan - 1972
Occurrence of Permian trilobite, Pseudophillipsia, at Yamasuge, Kuzuu-Town, Tochigi Prefecture - 1979
On a left third inferior molar of Paleoparadoxia tabatai from the Moniwa Formation, Miyagi prefecture - 1980
New find of Paleoparadoxia form the KImachi Formation, Southwest Japan - 1980
Discovery of a petalodont shark tooth from the Nabeyama Formation (Middle Permian) in Kuzuu, Tochigi Prefecture, central Japan - 1984
Some fossils of Paleoparadoxia from Miocene calcareous sandstones on the Noto Peninsula, central Japan - 1986
On teeth and dermal teeth of chondrichthyes from the Akasaka Limestone (Middle Permian), central Japan - 1988
Insect fossil assemblage and paleoenvironments from the Early Pleistocene Bushi Formation in Saitama Prefecture, Japan - 1996
Fossil cephalopods from the Middle Miocene Fujina Formation of southwest Japan and its paleoenvironmental significance - 1996
An extinct fossil species of the genus Plateumaris from the Lower Pleistocene in Saitama Prefecture, Japan (Coleoptera: Chrysomelidae: Donaciinae) - 1997
The vertebrate fossils and their horizon from Akan-cho, eastern Hokkaido, Japan - 1998
Uppermost Permian bivalve fossils from the southern Kitakami Mountains - 1998
An Eocene cold-water molluscan assemblage from thr Poronai Formation in the Mikasa area, central Hokkaido, northern Japan - 2000
Occurrence of Aturia (Cephalopoda) from the Miocene Moniwa Formation of northeast Honshu, Japan and its paleoenvironmental significance - 2001
[Dinosaur footprints from the Lower Cretaceous Tetori Group in Shirakawa Village, Gifu Prefecture, central Japan] - 2001
The chondrichthyan tooth remains from the Carboniferous and Permian of Fukuji, Gifu Prefecture, central Japan - 2004
Minute bivalve fossils from the Permian Akasaka Limestone, Central Japan, (Appendix) Description of a new species of Pernopecten - 2007
Permian bipolar-type brachiopod genus Terrakea from the South Kitakami and Hida Gaien belts, Japan: palaeobiogeographical implications - 2008
On a tooth remain of Lissodus (Elasmobranchii) from the Taho Formation (Lower Triassic) in Seiyo City, Ehime Prefecture, southwest Japan - 2010
Permian brachiopod Eolyttonia from the Katsura Sandstone in the Sakawa area, Kochi Prefecture, southwest Japan - 2012