| Bulletin of the National Science Museum Series C (Geology & Paleontology) | date of publication | 
          
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            | Bulletin of the National Science Museum Series C (Geology & Paleontology)  Volume 12 Number 4 | December 1986 | 
          
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            |  | Kazuhiko UEMURA: | P.121 | 
          
            |  | Late Miocene Plants from Onbara in Northern Okayama Pref., Southwestern Honshu, Japan |  | 
          
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            |  | Fumio KOBAYASHI: | P.131 | 
          
            |  | Middle Permian Forarninifers of the Gozenyarna Forrnation, Southern Kwanto Mountains, Japan |  | 
          
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            |  | Yukimitsu TOMIDA: | P.165 | 
          
            |  | Recognition of the Genus Entelodon (Artiodactyla, Mammalia) from the Joban Coalfield, Japan, and the Age of the Iwaki Formation |  |