Vasula deltoidea is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

[1] The length of the shell attains 37 mm.

The shell is light brown or whitish, with dark chestnut bands, which sometimes appear also on the inside of the outer lip.

[2] This is a shallow water species, often prone to significant encrustation by calcareous algae.

Known from the Atlantic coast of Florida and also from Barbados, Lesser Antilles, and Venezuela.