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UMUT CM 26126

Paleontology Collections

Cyclina shirokiana Yokoyama, 1932

Citation
1960.

Cyclina shirokiana Yokoyama, 1932 Holotype

Oyama, K. et al. 1960 p. 191, pl. 59, fig. 2a, b

1959.

Cyclina ? shirokiana Yokoyama Holotype

Makiyama, J. 1959 pl. 84, fig 7

1932.

Cyclina ? shirokiana Yokoyama, 1932 Holotype

Yokoyama, M. 1932a p. 239, pl. 2, fig. 7

Condition: Present
Taxonomy:Mollusca: Bivalvia: Veneridae:
Geologic Time:Cenozoic: Oligocene:
Horizon:Uryu group: Lower Shiroki formation:
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)
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., 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. 159. 
Ichikawa, T., 1983, no. 9, p. 62. 
Ichikawa, T., 1983, no. 9, p. 389.