| 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 3 | September 1986 | 
          
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            |  | Tomoki KASE, Tamio NISHIDA: | P.73 | 
          
            |  | A Middle Devonian Gastropod Faunule from the Nakazato Formation of Kitakami, Northeast Japan |  | 
          
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            |  | Masao FUTAKAMI: | P.91 | 
          
            |  | Stratigraphy and Paleontology of the Cretaceous in the Ishikari Province, Central Hokkaido Part 2. Stratigraphy of the Cretaceous in the Northern Areas
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