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UMUT MM 07075

Paleontology Collections

Dactylioceras ( Dactylioceras ) helianthoides Yokoyama

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Citation
1971.

Dactylioceras (Dactylioceras) helianthoides Yokoyama Paralectotype

Hirano, H. 1971 p. 104, pl. 14, fig. 10

1904.

Dactylioceras helianthoides Yokoyama Paralectotype

Yokoyama, M. 1904b p. 16, pl. 4, fig. 5

Condition: Present
Taxonomy:Mollusca: Cephalopoda:
Geologic Time:Mesozoic:
Reference
Hirano, H., 1971: Biostratigraphic study of the Jurassic Toyora group. Part 1. Memoirs of the Faculty of Science, Kyushu University, Series D, vol. 21, no. 1, pp. 93–128, pls. 14–20. (Reference No. 0047)
Yokoyama, M., 1904b: Jurassic ammonites from Echizen and Nagato. Journal of the College of Science, Imperial University of Tokyo, vol. 19, art. 20, pp. 1–17, pls. 1–4. (Reference No. 0331)
UT Repository PDF
UMUT Material Reports: Citation
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 42. 
Ichikawa, T. and Hayami, I., 1978, no. 2, p. 301. 

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Yokoyama, M., 1904b:
(Reference No. 0331)
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