A part of Glassaulax didyma (Roding)
Species	Phylum Mollusca - Gastropoda - Mesogastropoda - Naticidae
Place	Inba-Mura, Chiba-Pref., Japan
Date	June 27, 2000
Epoch	Cenozoic - Quaternary - Pleistocene
Size	Height 20 mm, Diameter 19 mm
File No.	IB048
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