Bursa lamarckii (Lamarck's frog shell) is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.

[1] The shell size varies between 33 mm and 80 mm.

This species occurs in the Red Sea and in the central and west Indo-Pacific region; also off the Philippines.

The snail is named after Jean-Baptiste Lamarck.

This Bursidae-related article is a stub.