Neogene termites from northeastern districts of Japan, with references to the occurrence of fossil insects in the districts - 1983
Early Miocene insect fauna of Seki, Sado Island, Japan, with notes on the occurrence of Cenozoic fossil insects from Sado to San-in District - 1985
Tertiary vertebrates from Sado Island, Niigata Prefecture, Central Japan - 1985
Fossil marine mammals from the Koetoi Formation (middle late Miocene to early Pliocene) in Wakkanai City, Northern Hokkaido, Japan - 1992
A large mesorostral beaked whale (Cetacea: Ziphiidae) from the Pliocene Na-arai Formation on the Boso Peninsula, Central Japan - 2002
The Plio-Pleistocene fossil mammals from the Kasumi and Tama Hills - 2002