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Hydroides defrenatus (Yokoyama)

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Citation
1973.

Hydroides defrenatus (Yokoyama) Lectotype

Oyama, K. 1973 p. 121, pl. 4, fig. 22

1954.

Hydroides defrenatus (Yokoyama) Lectotype

Taki, I. & Oyama, K. 1954 pl. 43, fig. 18

1927.

Vermetus defrenatus Yokoyama, 1927 Syntype

Yokoyama, M. 1927a p. 413, pl. 46, fig. 18

Condition: Present
Geologic Time:Cenozoic:
Horizon:Tokyo Formation:
Locality:Tokyo: Kita-ku: Oji:
Reference
Oyama, K., 1973: Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quaternary of the Kanto area. Palaeontological Society of Japan, Special Papers, no. 17, pp. 1–148, pls. 1–57. (Reference No. 0411)
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. (Reference No. 0441)
Yokoyama, M., 1927a: Mollusca from the upper Musashino of Tokyo and its Suburbs. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 10, pp. 391–437, pls. 46–50. (Reference No. 0488)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 148. 
Ichikawa, T., 1983, no. 9, p. 215. 
Ichikawa, T., 1983, no. 9, p. 345. 

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Yokoyama, M., 1927a:
(Reference No. 0488)
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