Margarella whiteana is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae, the top snails.

[1] This marine species occurs off the Antarctic Peninsula at depths between 3 m and 28 m. The animal itself is a pale yellow in color.

[1] The shell is small, and wider than it is tall, at up to 7.6mm in height and 8.7 in diameter.

The shell is covered in many spiral ribs, and lacks a periostracum.

[1] The maximum recorded shell length is 8.7 mm.