bivalves text index | photo index
Phylum Mollusca > Class Bivalvia
Hammer oysters
Family Malleidae
updated Oct 2016
Where seen? This family include clams with strange T-shaped clams that may lie freely on the surface, or wedged into crevices. Others live inside sponges, the entire shell deeply embedded with only the shell opening appearing as a slit on the surface of the sponge.

T-shaped Hammer oysters seen lie
freely on the surface.
   

Spatula-shaped clams stick out
from among rubble and rocks.

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

  Family Malleidae
  Malleus sp. (Hammer oysters)
Malleus albus
Malleus decurtatus=^Malleus regula
Malleus malleus
Malleus regula

Links

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.
  • Abbott, R. Tucker, 1991. Seashells of South East Asia. Graham Brash, Singapore. 145 pp.
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