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| shelled snails text index | photo index |
| Phylum Mollusca > Class Gastropoda > Family Muricidae |
| Knobbly
drill Morula sp.* Family Muricidae updated Aug 2020 Where seen? This drill is sometimes seen on our Southern shores. Usually in groups on boulders as well as man-made structures such as seawalls. Features: 2-3cm. Shell thick, narrow and long 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. Various species of Morula commonly seen on our shores have this kind of shell. They are difficult to distinguish with certainty in the field. On this website, they are grouped by external features for convenience of display. |
 Pulau Semakau, Dec 08 |
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 Teeth at narrow shell opening Kusu Island, Dec 04 |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
| Knobbly drills on Singapore shores |
On wildsingapore
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