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UMUT MM 07623a

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Yokoyamaoceras kotoi (Jimbo)

Citation
1993.

Yokoyamaoceras ishikawai (Jimbo)

Maeda, H. 1993 p. 124, fig. 4-7,8

PreviousNo: I-347a

1955.

Yokoyamaoceras kotoi (Jimbo)

Matsumoto, T. 1955a p. 151, text-fig. 12a-c

PreviousNo: I-347a

Condition: Present
Taxonomy:Mollusca: Cephalopoda: Ammonitida: Ammonitina: Desmoceratoidea: Kossmaticeratidae:
Geologic Time:Mesozoic: Cretaceous: Late Cretaceous:
Horizon:Yezo Group:
Locality:Japan: Hokkaido: Teshio (Rumoi): Obira: The Obirashibetsu Valley:
Reference
Maeda, H., 1993: Dimorphism of Late Cretaceous false-Puzosiine ammonites, Yokoyamaoceras Wright and Matsumoto, 1954 and Neopuzosia Matsumoto, 1954. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 169, pp. 97–128. (Reference No. 0659)
CiNii PDF
Matsumoto, T., 1955a: Family Kossmaticeratidae from Hokkaido and Saghalien. Studies on the Cretaceous ammonites from Hokkaido and Saghalien 6. Japanese Journal of Geology and Geography, vol. 26, nos. 1–2, pp. 115–164, pls. 8–10. (Reference No. 0221)
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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