Shells of the Western Pacific in Color, Volume 2Hoikusha, 1971 - Mollusks |
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Common terms and phrases
ADAMS Amami Islands aperture apex axial ribs bands blackish brown Bôsô Peninsula bottom at depths canal color columellar margin common convex crenulated deep densely set elevated spire elongated oval Family fine sandy bottom found in Japan fusiform genera globose granulated grooves growth lines HABE The shell Hokkaido Honshû and southwards Honshû to Kyûshû Indo-Pacific inflated Islands and southwards Japan Sea Kii Peninsula Kira KURODA and HABE Kyushu LAMARCK large body whorl light yellow LINNÉ longitudinal ribs low tide mark mantle line muddy bottom nodules oblique operculum outer margin ovate in shape periostracum periphery PILSBRY posterior end purplish radial ribs radula REEVE reticulated roundly ovate Ryukyu Islands Sagami Bay sandy bottom shallow waters shell is small shell is solid shell is thin shell is white Shikoku smooth and polished SOWERBY species found spiral cords spire Superfamily surface is smooth suture Tosa Bay type specimen umbilicus umbo varices yellowish