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UMUT CM 23129

Paleontology Collections

Alvania asura (Yokoyama)

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Citation
1958.

Alvania asura (Yokoyama) Syntype

Makiyama, J. 1958 pl. 45, fig. 15

1926.

Rissoa (Apicularia ?) asura Yokoyama, 1926 Syntype

Yokoyama, M. 1926f p. 273, pl. 33, fig. 15

Condition: Present
Taxonomy:Mollusca: Gastropoda: Rissoidae:
Geologic Time:Cenozoic: Pliocene:
Horizon:Sawane formation:
Reference
Makiyama, J., 1958: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 2. Palaeontological Society of Japan, Special Papers, no. 4, pp. 1–6, pls. 25–57. (Reference No. 0368)
Yokoyama, M., 1926f: Fossil shells from Sado. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 8, pp. 249–312, pls. 32–37. (Reference No. 0483)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 52. 
Ichikawa, T., 1983, no. 9, p. 326.