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Pentacrinus ariakensis Yokoyama

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Citation
1957.

Pentacrinus ariakensis Yokoyama Syntype

Makiyama, J. 1957 pl. 1, fig. 6

1911.

Pentacrinus ariakensis Yokoyama Syntype

Yokoyama, M. 1911b p. 5, pl. 1, fig. 6

Condition: Missing
Taxonomy:Echinodermata:
Geologic Time:Cenozoic:
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)
Yokoyama, M., 1911b: Some Tertiary fossils from the Miike coal-field. Journal of the College of Science, Imperial University of Tokyo, vol. 27, art. 20, pp. 1–16, pls. 1–3. (Reference No. 0461)
UT Repository PDF
UMUT Material Reports: Citation
Ichikawa, T., 1983, no. 9, p. 38. 
Ichikawa, T., 1983, no. 9, p. 250. 

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Yokoyama, M., 1911b:
(Reference No. 0461)
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