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| bivalves text index | photo index |
| Phylum Mollusca > Class Bivalvia > Family Isognomonidae |
| Leaf
oyster Isognomon ephippium Family Isognomonidae updated Oct 10 Where seen? This rather large flat clam is commonly seen in our mangroves, scattered like white coins among mangrove tree roots. Sometimes also seen growing on rocks or sea walls in sheltered areas. Features: 6-8cm. The two-part shell is thin, flat and usually circular in shape. Usually white or greyish. It sticks to tree roots with byssus threads, thus giving the common name of tree oyster. Often found in large groups. Status and threats: Like other creatures of the intertidal zone, they are affected by human activities such as reclamation and pollution. Trampling by careless visitors can also affect local populations. |
 Sungei Buloh Wetland Reserve, May 02 |
 Sungei Buloh Wetland Reserve, Mar 05 |
 Sungei Buloh Wetland Reserve, Nov 03 |
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Leaf oysters on Singapore shores
 Lim Chu Kang, Aug 05 |
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 Among oysters on the wall of monsoon drain Tanah Merah, May 05 |
 In crevices between large boulders Chek Jawa, May 05 |
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