| 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 19 Number 3 | September 1993 | 
          
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                |  | Haruo lIJIMA, Kazuaki SEKINE, Yasuji SAITO: | P.81 | 
              
                |  | Jurassic Radiolarians from the Clastic Rock Unit of the Northern Part of the Chichibu Belt in the Kanto Mountains, Central Japan |  | 
              
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                |  | Sachiko NAGASAWA: | P.91 | 
              
                |  | Cetacean Diatoms from Sediments at Otsuchi, Iwate-ken, Japan |  | 
              
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                |  | Tamiko OHANA, Tatsuaki KIMURA: | P.99 | 
              
                |  | Acrostichopteris hatae OHANA et KIMURA, sp. nov. from the Lower Cretaceous Tatsukawa Formation in the Outer Zone of Japan 
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                |  | Kazuo SAKAMOTO, Teruya UYENO: | P.105 | 
              
                |  | A New Middle Miocene Righteye Flatfish, Microstomus tochigiensis, from Tochigi, Japan |  |