Bursa bubo. A beautiful sea shell from the South Pacific, it is a close relative to the triton sea shells and has similar characteristics. The name "Frog sea shell" is derived from the knobby sculpture of most species, which resembles the warty skin of a frog. Bring the beach home with one of our unique seashells, offered in a variety of sizes. Whether it's a souvenir from a recent vacation, decorative accent for any room, or part of your coastal craft, these high-quality shells are some of the lowest prices around.