Notocochlis gualteriana, common name the comma necklace shell, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.

[1] This species occurs in European waters, the Mediterranean Sea, the Indian Ocean off Aldabra, the Masacarene Basin, Kenya, Tanzania, Madagascar, Mozambique, South Africa, and off the Philippines, China, South Korea and New Zealand.

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