| Potamididae (swamp-ceriths and horn shells) |
| 4 cm ShH (male/unsexed) |
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benthic; brackish; marine |
| Western Pacific: Japan, Korea, Hong Kong and Philippines. |
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Shell moderate, having 8-9 flat sided whorls. Sutures are impressed. There are about 5 spiral striae on upper whorls, and 15 on body whorls. Numerous pronounced ribs are present on the upper whorls. Shell has a knobby appearance. Outer lip straight, siphonal canal short, and the columella is smooth. Shell is dark grey or brown. Operculum is brown and horny. |
| Length based on occurence record; to be replaced with better reference. Found on sheltered flats in bays (Ref. 75835). Part of the epifaunal community in sandy shores, lying on the sand or half buried (Ref. 125338). Also found in mangrove areas (Ref. 112938). |
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Not Evaluated (N.E.) Ref. 123251)
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