Antarctospira falklandica is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
The shell has six whorls, one of which is a blunt protoconch and a half-whorl of axials. The shell is a consistent color of white, and is covered by a pale surface. The length of the shell attains 15.75 mm, and its diameter reaches 5.8 mm.[1]
This marine species occurs off the Falkland Islands and Strait Of Magellan, east of Mouth, Tierra del Fuego, Argentina, South Atlantic Ocean.