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Phylum Mollusca > Class Bivalvia
Scintilla clam
Family Galeommatidae
updated May 2020
Where seen? This tiny clam can move like snails, crawling on a foot holding the shell on its back. It is found under stones, often several together, on many of our shores.

Features: 1-2cm.
Shell oval, thin and white. The mantle sometimes covers the entire valves. When submerged, little finger-like structures appear from the mantle. Some have a wide 'foot' created from fused mantle edges. The foot holds on to a hard surface as well as to slowly creep about or 'jump' around quickly.

Sisters Island, Feb 06

Wide 'foot' created from mantle edges.
Terumbu Semakau, Jun 12

Cyrene Reef, Jun 12

Sembawang, Dec 09
Photo shared by Loh Kok Sheng on flickr.

Terumbu Bukom, Nov 10

Photo shared by Loh Kok Sheng on his blog.

Scintilla clams on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


Punggol, Nov 13
Photo shared by Loh Kok Sheng on flickr.

Pasir Ris Park, Mar 13
Photo shared by Loh Kok Sheng on flickr.


Changi, Dec 12
Photo shared by Loh Kok Sheng on flickr.

East Coast Park, Jul 14
Photo shared by Loh Kok Sheng on flickr.

East Coast Park, May 21
Photo shared by Loh Kok Sheng on facebook.


Berlayar Creek, Mar 20
Photo shared by Loh Kok Sheng on facebook.


Sentosa, Dec 18
Shared by Jianlin Liu on facebook.

Sentosa, Nov 09
Shared by James Koh on his blog.

Sentosa Serapong, Jul 21
Shared by Jianlin LIu on facebook.


Lazarus Island, Nov 20
Shared by Loh Kok Sheng on facebook.

Lazarus Island, Nov 20
Shared by Vincent Choo on facebook.


Seringat Kias, Jul 11
Shared by Loh Kok Sheng on his blog.

Big Sisters Island, Sep 20
Shared by Loh Kok Sheng on facebook.

Kusu Island, Jun 21
Shared by Jianlin Liu on facebook.


Pulau Hantu, Apr 21
Shared by Vincent Choo on facebook.

Beting Bemban Besar, May 17
Photo shared by Toh Chay Hoon on facebook.

Terumbu Pempang Tengah, May 21
Photo shared by Vincent Choo on facebook.


Pulau Biola, Jan 22
Shared by Jianlin Liu on facebook.

Family Galeommatidae recorded for Singapore
from Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist of The Molluscs of Singapore.
^from WORMS

  Family Galeommatidae
  Galeomma layardi
Galeomma formosa
Galeomma paucistriata

Montacuta
sp. (^now in Family Montacutidae)

Scintilla cumingii=^Solecardia eburnea
Scintilla philippinensis
Scintilla rosea
Scintilla timoriensis

References

  • Tan Siong Kiat and Henrietta P. M. Woo, 2010 Preliminary Checklist of The Molluscs of Singapore (pdf), Raffles Museum of Biodiversity Research, National University of Singapore.
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