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| bivalves text index | photo index |
| Phylum Mollusca > Class Bivalvia > Family Pteriidae |
| Sponge
finger oyster Vulsella sp. Family Pteriidae updated May 2020 Where seen? This clam is deeply embedded in a sponge, with only the shell opening appearing as a slit on the surface of the sponge. It was previously in Family Malleidae (Hammer oysters). Features: Slit 1-2cm long, the clam is generally not seen outside a sponge in the wild. It has been seen in several kinds of sponges in Singapore. |
 A slit in the sponge is the only sign of the clam. |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
| Sponge finger oysters on Singapore shores |
On wildsingapore
flickr
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References
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