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UMUT CM 23574

Paleontology Collections

Leptaxinus rotundatus (Yokoyama)

Citation
1958.

Leptaxinus rotundatus (Yokoyama) Syntype

Makiyama, J. 1958 pl. 56, fig. 13

1926.

Thyasira rotundata Yokoyama, 1926 Syntype

Yokoyama, M. 1926j p. 386, pl. 44, fig. 13

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. 

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Yokoyama, M., 1926j:
(Reference No. 0487)
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