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| shelled snails text index | photo index |
| Phylum Mollusca > Class Gastropoda > Family Muricidae |
| Knobbly
drill awaiting identification* Family Muricidae updated Dec 08 Where seen? This drill with knobs on its thick shell is sometimes seen on our Southern shores. Usually in groups on large boulders as well as man-made structures such as seawalls. Features: 2-3cm. Shell thick with a spiral patterns of rounded bumps. The shell, however, is often obscured by encrusting plants and animals. Shell opening narrow with 'teeth'. Operculum brown. |
 Kusu Island, May 05 |
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 Kusu Island, Dec 04 |
 Underside |
Knobbly drills on Singapore shores
 Sisters Island, Jul 06  |
 St. John's Island, May 07  |
 Labrador, Aug 07  |
 Pulau Semakau, Dec 08  |
*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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