FROG SHELLS OF THE TROPICS
These shells are distiguished by a gutterlide canal or a slit-sided tube, that cuts through the edge of the aperture at its rear end. Some frog shells are moderate in size while a few are large. They assume many shapes, sone spuaty and coarsely ornamented with thick ribs, knobs and warty lumps; which gives them the name frog shells. Most frog shells live on sand and coral rubble.
The Frog shell is often called the Spiny Frog shell. Found across the Indo-Pacific region.
One Frog Shell 2 to 2 1/2 inch..... .21
Bursa Bursa belongs to the Frog shell family. Found across the Indo-Pacific region.
One Bursa Bursa Shell 3/4 to 1 3/4 inch..... .12