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UMUT CM 26310

Paleontology Collections

Portlandia ( Megayoldia ) breviscapha (Yokoyama, 1932)

Citation
1960.

Portlandia (Megayoldia) breviscapha (Yokoyama, 1932) Syntype

Oyama, K. et al. 1960 p. 97, pl. 20, fig. 4

1959.

Yoldia breviscapha Yokoyama Syntype

Makiyama, J. 1959 pl. 86, fig. 5

1932.

Yoldia breviscapha Yokoyama, 1932 Syntype

Yokoyama, M. 1932a p. 245, pl. 4, fig. 5

Condition: Missing
Taxonomy:Mollusca: Bivalvia: Yoldiidae:
Geologic Time:Cenozoic: Oligocene:
Horizon:Uryu group: Lower Tachibetsu 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. 160. 
Ichikawa, T., 1983, no. 9, p. 63. 
Ichikawa, T., 1983, no. 9, p. 389.