Condylonucula maya

Condylonucula maya is a tiny species of saltwater clam, a marine bivalve mollusk or micromollusk in the family Nuculidae, the nut clams.

This species grows to a length of about 500 μm (0.020 in) and is believed to be the smallest living bivalve.

[2] It is found in shallow waters in the Caribbean Sea off the coast of Mexico.

[1] It is categorized as a detritus feeder, and the outer appearance is extremely small in diameter, with a solid structure and exoskeleton