- Taki, I. and Oyama, K., 1954:
- Matajiro Yokoyama's the Pliocene and later faunas from the Kwanto region in Japan.
- Palaeontological Society of Japan, Special Papers, no. 2, pp. 1–68, pls. 1–49.
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- Tokunaga, S., 1903:
- On the fossil echinoids of Japan.
- Journal of the College of Science, Imperial University of Tokyo, vol. 17, art. 12, pp. 1–27, pls. 1–4.
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- Tokunaga, S., 1906:
- Fossils from the environs of Tokyo.
- Journal of the College of Science, Imperial University of Tokyo, vol. 21, art. 2, pp. 1–96, pls. 1–6.
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- Tokunaga, S., 1936:
- Geology of the Shichinohe district, Aomori Prefecture, and fossil elephant found from there.
- Journal of Geography, vol. 48, no. 564, pp. 67–70, pl. 1. (in Japanese)
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- Tokunaga, S., 1940:
- A fossil elephant tooth discovered in Miyakozima, an island of the Ryukyu archipelago, Japan.
- Proceedings of the Imperial Academy of Japan, vol. 16, no. 3, pp. 122–124.
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- Tokunaga, S. and Takai, F., 1936:
- On a fossil elephant, Palaeoloxodon aomoriensis, from Shichinohe, Kamikita-gun, Aomori Prefecture, Japan.
- Journal of the Geological Society of Japan, vol. 43, no. 511, pp. 254–258, pls. 13–14.
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- Yajima, M., 1978:
- Quaternary Ostracoda from Kisarazu near Tokyo.
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 112, pp. 371–409, pls. 49–50.
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- Yajima, M., 1982:
- Late Pleistocene Ostracoda from the Boso peninsula, central Japan. In: Hanai, T. (ed.) Studies on Japanese Ostracoda.
- The University Museum, The University of Tokyo, Bulletin, no. 20, pp. 141–227, pls. 10–15.
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- Yamaguchi, T., 1973:
- On Megabalanus (Cirripedia, Thoracica) of Japan.
- Publications of the Seto Marine Biological Laboratory, vol. 21, no. 2, pp. 115–140, pls. 6–8.
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- Yamaguchi, T., 1977a:
- Taxonomic studies on some fossil and Recent Japanese Balanoidea (Part 1).
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 107, pp. 135–160, pls. 19–22.
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- Yamaguchi, T., 1977b:
- Taxonomic studies on some fossil and Recent Japanese Balanoidea (Part 2).
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 108, pp. 161–201, pls. 23–27.
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- Yamaguchi, T., 1980:
- A new species belonging to the Balanus amphitrite Darwin group (Cirripedia, Balanomorpha) from the late Pleistocene of Japan; an example of peripheral speciation.
- Journal of Paleontology, vol. 54, no. 5, pp. 1084–1101, pls. 1–3.
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- Yamaguchi, T., 1982:
- Japanese Miocene cirriped Balanus sendaicus: a comparison with Tethyan Balanus concavus group.
- Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 125, pp. 277–295, pls. 44–48.
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- Yokoyama, M., 1910a:
- On some brachiopods from the Neogene of Koshiba.
- Journal of the Geological Society of Tokyo, vol. 17, no. 201, pp. 1–4, pl. 5.
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- Yokoyama, M., 1910b:
- On species of Limopsis found in the Neogene of Koshiba.
- Journal of the Geological Society of Tokyo, vol. 17, no. 205, pp. 1–5, pl. 9.
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- Yokoyama, M., 1910c:
- On the occurrence of Coronula diadema L. in the Tertiary of Koshiba.
- Journal of the Geological Society of Tokyo, vol. 17, no. 200, pp. 227–229.
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- Yokoyama, M., 1911a:
- Pectens from the Koshiba Neogene.
- Journal of the Geological Society of Tokyo, vol. 18, no. 208, pp. 1–5, pl. 1.
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