Guraleus lallemantianus is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

[1] The length of the shell attains 12 mm.

Two of the revolving lines more prominent, ridge-like.

The color of the shell is yellowish brown, or light reddish brown.

[2] This marine species is endemic to Australia and can be found off South Australia, Victoria and Tasmania.