Conus mucronatus, common name the deep-groved cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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.

Subspecies

• Conus mucronatus mucronatus Reeve, 1843
• Conus mucronatus segondensis Fenzan, 2008

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