Umbonium (Suchium) costatum (Kiener)
Species	Phylum Mollusca - Gastropoda - Archaeogastropoda - Trochidae
Place	Inba-Mura, Chiba-Pref., Japan
Date	October 20, 2001
Epoch	Cenozoic - Quaternary - Pleistocene
Size	Height 19 mm, Diameter 27 mm
File No.	IB058
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