Conus vidua
Conus vidua, common name the vidua cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.
These snails are predatory and venomous. They are capable of stinging humans.
;Subspecies:Conus vidua cuyoensis Lorenz & Barbier, 2012Conus vidua vidua Reeve, 1843
;Forma and varieties brought into synonymy:Conus vidua f. mozoii L. S. Melvin, 1980: synonym of Conus bandanus Hwass in Bruguière, 1792Conus vidua var. azona Wils, 1972: synonym of Conus thalassiarchus G. B. Sowerby I, 1834Conus vidua var. depriesteri Wils, 1972: synonym of Conus thalassiarchus G. B. Sowerby I, 1834