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| shelled snails text index | photo index |
| Phylum Mollusca > Class Gastropoda > Family Muricidae |
| Bumpy
drill awaiting identification* Family Muricidae updated Mar 09 Where seen? This medium-sized drill with bumps is often seen in groups on boulders and man-made structures such as seawalls especially on our Northern shores. Features: 2-3cm. Shell thick with a spiral patterns of squarish bumps. The shell, however, is often hidden under encrusting plants and animals. Shell opening wide, the inner surface usually marked with dark bars or patches. Operculum dark brown. |
 Chek Jawa, Jul 07 |
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 Underside |
 Lays long egg capsules |
Bumpy drills on Singapore shores
 Chek Jawa, Apr 08 |
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 Tanah Merah, May 05 |
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 Dark bars on the inner surface. |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
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