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.
*Species are difficult
to positively identify without close examination.
On this website, they are grouped by external features for convenience of
finger oysters on Singapore shores
- 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.