Pulsarella cognata is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

[1] The length of the shell attains 24 mm, its width 7 mm.

It differs from Tomopleura reevii (C. B. Adams, 1850) to which it is closely related in color (being luteous white, purple-tinged towards the apex, the carinae white), in the number of carinae, twelve, and more produced spire.

[2] This marine species is endemic to Australia (New South Wales, Queensland).