Tomida, S. (1989). Occurrence of Fossil Halicardia nipponensis from the Neogene in the Tanzawa Mountainland,
and its Paleontological Significance. VENUS (The Japanese Journals of Malacology). 48(3): 167-173.
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Tomida, S.
1989
Occurrence of Fossil Halicardia nipponensis from the Neogene in the Tanzawa Mountainland,
and its Paleontological Significance