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Pachydiscus subcompressus obsoletus Matsumoto

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Citation
1959.

Pachydiscus subcompressus obsoletus Matsumoto

Matsumoto, T. 1959b p. 46

PreviousNo: I-2827

1954.

Pachydiscus subcompressus obsoletus Matsumoto Holotype

Matsumoto, T. 1954a [for 1953] p. 289, pl. 10, fig. 5a, b

PreviousNo: I-2827

Condition: Present
Taxonomy:Mollusca: Cephalopoda: Ammonitida: Ammonitina: Desmoceratoidea: Pachydiscidae:
Geologic Time:Mesozoic: Cretaceous: Late Cretaceous:
Horizon:Ryugase Group ?:
Locality:Russia: Sakhalin: Naibuchi (=Naiba): Hayakawa, the tributary of the Naibuchi (=Naiba) Valley:
Reference
Matsumoto, T., 1954a [for 1953]: The Cretaceous system in the Japanese islands., pp. i–xiv + 1–324, pls. 1–20. The Japanese Society for the Promotion of Scientific Research, Ueno, Tokyo. (Reference No. 0219)
Matsumoto, T., 1959b: Upper Cretaceous ammonites of California. Part 2. Memoirs of the Faculty of Science, Kyushu University, Series D, Special Volume 1, pp. i–iii + 1–172, pls. 1–41. (Reference No. 0225)
Tanabe, K., Ito, Y., Moriya, K. and Sasaki, T., 2000: Database of Cretaceous ammonite specimens registered in the Department of Historical Geology and Paleontology of the University Museum, University of Tokyo. The University Museum, The University of Tokyo, Material Reports, no. 37, pp. i–iv + 1–509. (Reference No. 0879)
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