Author: HIRAYAMA, K.
Title: The Asagai Formation and its molluscan fossils in the northern region, Joban Coal-field, Fukushima Prefecture, Japan. [Oligocene]
Description: 1955. Science Reports of the Tokyo Kyoiku Daigaku C-4-29; pp. 49-130, 5 fig. 5 plts. h.t. Plain new wrps. stapled extract, very good.

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