Conus mappa is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

There are two recognized subspecies:

• Conus mappa jesusramirezi (Cossignani, 2010)
• Conus mappa trinitarius Hwass in Bruguière, 1792.
• Conus mappa granarius Kiener, 1845.: synonym of Conus granarius

The junior homonym Conus mappa Crosse, 1858 is a synonym of Conus eldredi Morrison, 1955.

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.

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