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UMUT CM 21832

Paleontology Collections

Bittium ( Plesiotrochus ) acutangulum Yokoyama, 1924

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Citation
1973.

Bittium (Plesiotrochus) acutangulum Yokoyama, 1924 Holotype

Oyama, K. 1973 p. 26, pl. 5, fig. 21a, b

1954.

Bittium acutangulum Yokoyama, 1924 Holotype

Taki, I. & Oyama, K. 1954 pl. 38, fig. 7

1924.

Bittium acutangulum Yokoyama, 1924 Holotype

Yokoyama, M. 1924a p. 19, pl. 1, fig. 7

Condition: Present
Taxonomy:Mollusca: Gastropoda: Cerithiidae:
Geologic Time:Cenozoic: Holocene:
Locality:Chiba: Tateyama: Numa:
Reference
Oyama, K., 1973: Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quaternary of the Kanto area. Palaeontological Society of Japan, Special Papers, no. 17, pp. 1–148, pls. 1–57. (Reference No. 0411)
Taki, I. and Oyama, K., 1954: Matajiro Yokoyama's the Pliocene and later faunas from the Kwanto region in Japan. Palaeontological Society of Japan, Special Papers, no. 2, pp. 1–68, pls. 1–49. (Reference No. 0441)
Yokoyama, M., 1924a: Mollusca from the coral-bed of Awa. Journal of the College of Science, Imperial University of Tokyo, vol. 45, art. 1, pp. 1–62 + i–iii, pls. 1–5. (Reference No. 0471)
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UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 144. 
Ichikawa, T., 1983, no. 9, p. 212. 
Ichikawa, T., 1983, no. 9, p. 296.