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| shelled snails text index | photo index |
| Phylum Mollusca > Class Gastropoda > Family Turbinidae |
| Spurred
turban snail Astralium calcar Family Turbinidae updated Aug 10 Where seen? This snail with a flattened wheel-shaped shell is sometimes seen on our offshore Southern islands, or rocky shores together with its relatives of the Family Turbinidae. Elsewhere, it is found on rocky shores and reefs. Features: 3-4cm in diameter. Shell thick, flattened conical shape. Calcar means 'spur' and indeed, the outer shell has a spiral of blunt bumps and spikes. The shell is usually encrusted and thus well camouflaged on the rocks. Shell opening is smooth and pearly. The small, chalky operculum is hemi-spherical and has a smooth glossy surface.It was previously known as Astraea calcar. Human uses: Sometimes gathered for food by coastal dwellers. |
 Berlayar Creek, Mar 09  |
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Spurred turban snails on Singapore shores
 Tanah Merah, Feb 10 |
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