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UMUT CM 23573

古生物収蔵資料

Leptaxinus rotundatus (Yokoyama)

Citation
1958.

Leptaxinus rotundatus (Yokoyama) Syntype

Makiyama, J. 1958 pl. 56, fig. 9

1926.

Thyasira rotundata Yokoyama, 1926 Syntype

Yokoyama, M. 1926j p. 386, pl. 44, fig. 9

Condition: Missing
Taxonomy:Mollusca: Bivalvia: Thyasiridae:
Geologic Time:Cenozoic: Pliocene:
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., 1926j: Fossil Mollusca from the oil-fields of Akita. Journal of the Faculty of Science, Imperial University of Tokyo, Section 2, vol. 1, pt. 9, pp. 377–389, pls. 44–45. (Reference No. 0487)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 57. 
Ichikawa, T., 1983, no. 9, p. 341.