- Niko, S., 1993:
- Orthoceratid cephalopods from the Early Devonian Fukuji formation of Gifu Prefecture, central Japan.
- Journal of Paleontology, vol. 67, no. 2, pp. 210–216.
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- Niko, S., 1996:
- Pseudorthoceratid cephalopods from the Early Devonian Fukuji formation of Gifu Prefecture, central Japan.
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 181, pp. 347–360.
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- Niko, S., 1998a:
- Kobayashiceras gifuense, a new actinocerid cephalopod from the Lower Devonian of Japan.
- Journal of Paleontology, vol. 72, no. 1, pp. 36–38.
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- Niko, S., 1998b:
- First discosorid cephalopod from Japan.
- Paleontological Research, vol. 2, no. 2, pp. 145–147.
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- Niko, S., 1998c:
- Devonian tentaculitids from central and northeast Japan.
- Paleontological Research, vol. 2, no. 4, pp. 279–282.
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- Niko, S., 2000a:
- Youngest record of tentaculitoids: Hidagaienites new genus from near the Carboniferous-Permian boundary in central Japan.
- Journal of Paleontology, vol. 74, no. 3, pp. 381–385.
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- Niko, S., 2000b:
- New cephalopod material from the Bashkirian (Middle Carboniferous) of the Ichinotani formation, central Japan.
- Paleontological Research, vol. 4, no. 4, pp. 255–260.
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- Niko, S., Kakuwa, Y., Watanabe, D. and Matsumoto, R., 1999:
- Early Silurian actinocerid and orthocerid cephalopods from the Kerman area, east-central Iran.
- Paleontological Research, vol. 3, no. 1, pp. 41–48.
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- Niko, S. and Nishida, T., 2000:
- A new pseudorthoceratid cephalopod from the Kazanian (middle Late Permian) of Japan.
- Paleontological Research, vol. 4, no. 1, pp. 53–55.
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- Nishinosono, S., 1996:
- Larval paleoecology of the late Pleistocene naticid gastropod Cryptonatica with two protoconch types from the Oga peninsula, northern Japan.
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 182, pp. 419–431.
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- Oji, T., 1991:
- Crinoidea.
- In: Japan Fisheries Resource Conservation Association,
Echinoderms from continental shelf and slope around Japan. vol. 2, pp. 19–40, pls. 1–9.
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- Oji, T., Kanoh, M., Toshimitsu, S. and Tashiro, M., 1996:
- Nielsenicrinus japonicus new species (Echinodermata: Crinoidea) from the Late Cretaceous of Japan and its paleobiogeographic implications.
- Journal of Paleontology, vol. 70, no. 6, pp. 964–968.
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- Okamoto, T. and Shibata, M., 1997:
- A cyclic mode of shell growth and its implications in a Late Cretaceous heteromorph ammonite Polyptychoceras pseudogaultinum (Yokoyama)
- Paleontological Research, vol. 1, no. 1, pp. 29–46.
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- Otsuka, H., Okuno, M., Ohta, T. and Nakamura, T., 1996:
- Accelerator mass spectrometric <14>^C dating of mammalian fossils collected from the sea bottom of the East China Sea and Seto Inland Sea and Elephantidae from Miyako Island of the Nansei Islands.
- Summaries of Researches using AMS at Nagoya University, vol. 7, pp. 268–275. (in English with Japanese abstract)
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- Saito, M., 1996:
- Early loop ontogeny of some Recent laqueid brachiopods.
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 183, pp. 485–499.
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- Sasaki, T., 1998:
- Comparative anatomy and phylogeny of the recent Archaeogastropoda (Mollusca: Gastropoda).
- The University Museum, The University of Tokyo, Bulletin, no. 38, pp. 1–224.
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- Sato, S., 1994:
- Analysis of the relationship between growth and sexual maturation in Phacosoma japonicum (Bivalvia: Veneridae).
- Marine Biology, vol. 118, no. 4, pp. 663–672.
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- Sato, S., 1995:
- Spawning periodicity and shell microgrowth patterns of the venerid bivalve Phacosoma japonicum (Reeve, 1850).
- The Veliger, vol. 38, no. 1, pp. 61–72.
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- Sato, T. and Storrs, G. W., 2000:
- An early polycotylid plesiosaur (Reptilia: Sauropterygia) from the Cretaceous of Hokkaido, Japan.
- Journal of Paleontology, vol. 74, no. 5, pp. 907–914.
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