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- Publications
- Influence
Classification and distribution of Oligocene Aetiocetidae (Mammalia; Cetacea; Mysticeti) from western North America and Japan
- L. Barnes, M. Kimura, Hitoshi Furusawa, H. Sawamura
- Geology
- 1 December 1994
Fossil whales in the very rare, primitive, extinct cetacean family Aetiocetidae are small, relict, toothed mysticetes that persisted into Late Oligocene time after more highly derived baleen-bearing… Expand
Bone Inner Structure Suggests Increasing Aquatic Adaptations in Desmostylia (Mammalia, Afrotheria)
- S. Hayashi, Alexandra Houssaye, +6 authors T. Osaki
- Biology, Medicine
- PloS one
- 2 April 2013
Background The paleoecology of desmostylians has been discussed controversially with a general consensus that desmostylians were aquatic or semi-aquatic to some extent. Bone microanatomy can be used… Expand
A new Miocene pinniped Allodesmus (Mammalia: Carnivora) from Hokkaido, northern Japan
- Wataru Tonomori, H. Sawamura, Tamaki Sato, Naoki Kohno
- Biology, Medicine
- Royal Society Open Science
- 1 May 2018
A nearly complete pinniped skeleton from the middle Miocene Okoppezawa Formation (ca 16.3–13.9 Ma), Hokkaido, northern Japan, is described as the holotype of Allodesmus uraiporensis sp. nov. The new… Expand
The Last Surviving Ammonoid at the end of the Cretaceous in the North Pacific Region
- Ken'ichi Kurihara, M. Kano, H. Sawamura, Y. Sato
- Geology
- Paleontological Research
- 1 April 2016
Abstract.
This paper describes the first record of the heteromorph ammonoid Diplomoceras cylindraceum from the uppermost Maastrichtian Kawaruppu Formation of the Nemuro Group, southeastern… Expand
Spontaneous Mineral Aggregations in the Circumpulpal Dentine Formation
- H. Sawamura, I. Mashimoto
- Chemistry
- 1991
One of the characteristic phenomena in dentinogenesis is the formation of globular mineralized masses called calcospherites. Mineralizing points appearing in outer layer of the predentine grow and… Expand
A new species of Middle Miocene baleen whale from the Nupinai Group, Hikatagawa Formation of Hokkaido, Japan
- Y. Tanaka, T. Ando, H. Sawamura
- Biology, Medicine
- PeerJ
- 26 June 2018
A fossil whale from the Hikatagawa Formation (Middle Miocene, 15.2–11.5 Ma) of Hokkaido, Japan is described as a new genus and species Taikicetus inouei and its phylogenetic position is examined.… Expand
Depositional environments and preservation of marine mammals
- Miho Tanaka, K. Hoyanagi, H. Sawamura
- Geology
- 30 June 2004
Title Thermodynamic Properties of Higher Fatty Acids in OrganicSolvents
- Author Yamakita, I. Aida, H. Sawamura
- 2018