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UMUT CM 25591

Paleontology Collections

Umbonium ishiianum Yokoyama, 1930

Citation
1930.

Umbonium ishiianum Yokoyama, 1930 Syntype

Yokoyama, M. 1930a

Condition: Present
Taxonomy:Mollusca: Gastropoda: Trochidae:
Geologic Time:Cenozoic:
Reference
Yokoyama, M., 1930a: Neogene shells from Yamashiro. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 2, pt. 10, pp. 399–403. (Reference No. 0498)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 381.