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UMUT CM 24566

Paleontology Collections

Macoma optiva (Yokoyama, 1923)

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Citation
1960.

Macoma optiva (Yokoyama, 1923) Paralectotype

Oyama, K. et al. 1960 p. 198, pl. 60, fig. 9a

1957.

Macoma optiva (Yokoyama) Syntype

Makiyama, J. 1957 pl. 6, fig. 4

1923.

Tellina optiva Yokoyama, 1923 Syntype

Yokoyama, M. 1923c p. 6, pl. 2, fig. 4

Condition: Present
Taxonomy:Mollusca: Bivalvia: Tellinidae:
Geologic Time:Cenozoic: Oligocene? - Pliocene:
Horizon:Fujina formation:
Reference
Makiyama, J., 1957: Matajiro Yokoyama's Tertiary fossils from various localities in Japan. Part 1. Palaeontological Society of Japan, Special Papers, no. 3, pp. 1–4, pls. 1–24. (Reference No. 0367)
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., 1923c: On some fossil Mollusca from the Neogene of Izumo. Japanese Journal of Geology and Geography, vol. 2, no. 1, pp. 1–9, pls. 1–2. (Reference No. 0469)
UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 158. 
Ichikawa, T., 1983, no. 9, p. 45. 
Ichikawa, T., 1983, no. 9, p. 293.