Natica guesti Harasewych & Jensen, 1984 (basionym) Notocochlis guesti is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.

[1] Locus typicus: St. Martin, Lesser Antilles.

This species occurs in the Gulf of Mexico, the Caribbean Sea and the Lesser Antilles.

The maximum recorded shell length is 33 mm.

This Naticidae-related article is a stub.