Kase T. & Nishida T. (1988). Two new Middle Devonian gastropods from the Nakazato Formation of Kitakami, Northeast Japan. Pp. 257-263,. in: Grant-Mackie J.A. et al. (eds) Professor Tamio Kotaka commemorative volume on Molluscan paleontology. Sendai, Saito Gratitude Foundation.
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Kase T. & Nishida T.
1988
Two new Middle Devonian gastropods from the Nakazato Formation of Kitakami, Northeast Japan. Pp. 257-263,. in: Grant-Mackie J.A. et al. (eds) <i>Professor Tamio Kotaka commemorative volume on Molluscan paleontology</i>. Sendai, Saito Gratitude Foundation