| Potamididae (swamp-ceriths and horn shells) |
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benthic; brackish; marine |
| Western Pacific. Tropical to subtropical. |
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Shell moderate in size, with 6 or more rounded whorls. Usually decollate, sutures are impressed. Numerous strong axial ribs present on each whorl, about 15 on body whorl. Outer lip flared and thickened; canals indistinct; columella smooth and thickened. Shell is grey, with the aperture being greyish white. Operculum is light brown and horny. |
| Occur at back of mangroves in upper intertidal levels. Arboreal, secreting mucus to hold the shell against the trees (Ref. 128877). |
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Not Evaluated (N.E.) Ref. 123251)
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