Bibliography and Index of the Sirenia and Desmostylia  

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"Saito, Tsunemasa"

Saito, Tsunemasa: SEE ALSO Takahashi et al., 1979, 1983, 1986. (detail)
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 Takahashi, Shizuo; Domning, Daryl Paul; Saito, Tsunemasa (detail)
   
1979
[On the discovery of a fossil sea cow from Ohe town, Yamagata Prefecture.] [Abstr.]
Abstrs. 86th Ann. Meeting, Geol. Soc. Japan (Akita, Japan): 228.
–In Japanese. Reports a skeleton of Dusisiren n.sp. from the Late Miocene Hashigami Sandstone Member of the Hongo Formation, Ohe, Yamagata Prefecture, Japan. See also Takahashi et al. (1986).
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 Takahashi, Shizuo; Tamiya, Ryoichi; Uyeno, Teruya; Ogasawara, Kenshiro; Akiba, Fumio; Saito, Tsunemasa (detail)
   
1983
[Report on the excavation of the great Yamagata sea cow.]
Yamagata Pref. Mus. Spec. Publ. (Yamagata, Japan): 1-76. 6 tabs. 22 figs. 16 pls. Mar. 31, 1983.
–In Japanese. Describes the history of discovery of the specimen (subsequently named Dusisiren dewana), with photos of the major skeletal elements (Takahashi, 2-39); the geology of the locality (Tamiya, 41-54); fossil sharks (Uyeno, 55-59); molluscs (Ogasawara, 61-63); diatoms (Akiba, 65-69); and sedimentary structures (Saito, 71-75).
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D
 Takahashi, Shizuo; Domning, Daryl Paul; Saito, Tsunemasa (detail)
   
1986
Dusisiren dewana, n. sp. (Mammalia: Sirenia), a new ancestor of Steller's sea cow from the Upper Miocene of Yamagata Prefecture, northeastern Japan.
Trans. Proc. Pal. Soc. Japan (n.s.) No. 141: 296-321. 12 tabs. 15 figs. Pls. 53-62. https://doi.org/10.14825/prpsj1951.1986.141296 Apr. 30, 1986.
–Japanese summ. Abstrs.: Takahashi et al. (1979); East Asian Tertiary/Quaternary Newsletter No. 9: 44, 1989. Describes the skull and skeleton of Dusisiren dewana and compares it with D. jordani, Hydrodamalis cuestae, and H. gigas. It is considered phyletically intermediate between the former two and is 9.0-10.4 Ma old. (See Takahashi et al., 1983 for more details on the discovery of this specimen, the geology of the locality, and associated fossils.) Also summarizes other fossil sir. occurrences in Japan, and suggests that the tooth of "Dugong" reported by Inuzuka et al. (1980) may instead represent Paleoparadoxia (317).
  urn:lsid:zoobank.org:pub:FC2490D9-F183-467D-86E8-E68D4176B45F
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D
 Saito, Tsunemasa; Barron, John A.; Sakamoto, Masamichi (detail)
   
1988
An early Late Oligocene age indicated by diatoms for a primitive desmostylian mammal Behemotops from eastern Hokkaido, Japan.
Proc. Japan Acad., Ser. B, 64(9): 269-273. 2 figs.
–Concludes that diatoms support the radiometric age (27-29 Ma) determined for the specimens of Behemotops sp. from the Morawan Formation.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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