- Yokoyama, M., 1927d:
- Tertiary fossils from western Hizen.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 4, pp. 183–190, pl. 50.
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- Yokoyama, M., 1927e:
- Tertiary shells from the coal-field of Haboro, Teshio.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 4, pp. 191–204, pls. 51–52.
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- Yokoyama, M., 1927f:
- On the occurrence of the lower Tertiary formation in the Province of Hoki.
- Journal of the Geological Society of Tokyo, vol. 34, no. 406, pp. 13–14, pl. 8.
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- Yokoyama, M., 1928a:
- Pliocene shells from Hyuga.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 7, pp. 331–350, pls. 66–67.
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- Yokoyama, M., 1928b:
- Neogene shells from the oil-field of Higashiyama, Echigo.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 7, pp. 351–362, pls. 68–69.
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- Yokoyama, M., 1928c:
- Semi-fossil shells from Noto.
- Imperial Geological Survey of Japan, Report, no. 101, pp. 113–128, pls. 19–21.
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- Yokoyama, M., 1929a:
- Neogene shells from some provinces of Chugoku.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 8, pp. 363–368, pl. 70.
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- Yokoyama, M., 1929b:
- Molluscan fossils from Karafto.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 9, pp. 369–398, pls. 71–76.
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- Yokoyama, M., 1929c:
- Pliocene shells from near Nanao, Noto.
- Imperial Geological Survey of Japan, Report, no. 104, pp. 1–7, pls. 1–6.
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- Yokoyama, M., 1930a:
- Neogene shells from Yamashiro.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 10, pp. 399–403.
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- Yokoyama, M., 1930b:
- On a univalve called Cochlioconus gradatus Yokoyama.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 10, pp. 405–406.
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- Yokoyama, M., 1930c:
- Tertiary Mollusca from south Karafto.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 10, pp. 407–418, pls. 77–80.
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- Yokoyama, M., 1931a:
- Neogene shells from Karafto and the Hokkaido.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 4, pp. 185–196, pl. 11.
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- Yokoyama, M., 1931b:
- Tertiary Mollusca from Iwaki.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 4, pp. 197–204, pls. 12–13.
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- Yokoyama, M., 1932a:
- Tertiary Mollusca from the coalfield of Uryu, Ishikari.
- Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 3, pt. 6, pp. 221–247, pls. 1–4.
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- Yokoyama, M., 1932b:
- Neogene shells from south Karafto.
- Imperial Geological Survey of Japan, Report, no. 111, pp. 1–15, pls. 1–4.
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- Yoshida, K., 1998:
- Formation of plications in the Miocene bivalve Mytilus (Plicatomytilus) ksakurai as a consequence of architectural constraint.
- Paleontological Research, vol. 2, no. 4, pp. 224–238.
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- Yoshiwara, S. [Tokunaga, S.], 1901:
- Notes on the raised coral reefs in the islands of the Riukiu curve.
- Journal of the College of Science, Imperial University of Tokyo, vol. 16, art. 1, pp. 1–14, pls. 1–2.
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