Conus longilineus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.[1] [2] [3]
Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.
The shell attains a length of 20 mm.
This marine species occurs in the Atlantic Ocean off the Cape Verdes in the following locations in the southern part of the island of Sal: