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69e7a3d0bf6f4a169c2e90b0d07e72c3

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Bitaunioceras Shimizu & Obata, 1936

Source

Rank

genus

Names

1

species:4621971

J. geol. Soc. Japan, 43, no. 508, 29.

Classification

Orthoceratidae
- Bitaunioceras Shimizu & Obata, 1936