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UMUT CM 22063

Paleontology Collections

Calyptraea tokunagai Hatai & Nisiyama

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Citation
1960.

Calyptraea tokunagai Hatai & Nisiyama Holotype

Oyama, K. et al. 1960 p. 52, pl. 6, fig. 6a, b

1957.

Calyptraea mammilaris (Broderip)

Makiyama, J. 1957 pl. 11, fig. 17a, b

1924.

Calyptraea mammilaris (Broderip)

Yokoyama, M. 1924b p. 11, pl. 1, fig. 17a, b

Condition: Missing
Taxonomy:Mollusca: Gastropoda: Crepidulidae:
Geologic Time:Cenozoic: Oligocene:
Horizon:Shiramizu group: Asagai formation:
Reference
Makiyama, J., 1957: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 1. Palaeontological Society of Japan, Special Papers, no. 3, pp. 1–4, pls. 1–24. (Reference No. 0367)
Oyama, K., Mizuno, A. and Sakamoto, T., 1960: Illustrated handbook of Japanese Paleogene molluscs., pp. 1–244, pls. 1–71. Geological Survey of Japan. (Reference No. 0412)
Yokoyama, M., 1924b: Molluscan remains from the lowest part of the Jo-ban coal-field. Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 3, pp. 1–22, pls. 1–5. (Reference No. 0472)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 156. 
Ichikawa, T., 1983, no. 9, p. 40. 
Ichikawa, T., 1983, no. 9, p. 302. 

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Yokoyama, M., 1924b:
(Reference No. 0472)
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Yokoyama, M., 1924b:
(Reference No. 0472)
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