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UMUT CM 26087

Paleontology Collections

Calliostoma unicum Yokoyama

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Citation
1959.

Calliostoma unicum Yokoyama Holotype

Makiyama, J. 1959 pl. 83, fig. 11

1932.

Calliostoma subunicum Yokoyama, 1932 Holotype

Yokoyama, M. 1932a p. 238, pl. 1, fig. 11

Condition: Present
Taxonomy:Mollusca: Gastropoda: Trochidae:
Geologic Time:Cenozoic:
Horizon:Middle Okada beds:
Reference
Makiyama, J., 1959: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 3. Palaeontological Society of Japan, Special Papers, no. 5, pp. 1–4, pls. 58–86. (Reference No. 0369)
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. (Reference No. 0503)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 62. 
Ichikawa, T., 1983, no. 9, p. 389. 

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Yokoyama, M., 1932a:
(Reference No. 0503)
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