Euspira is a genus of medium-sized sea snails, marine gastropod molluscs in the subfamily Polinicinae of the family Naticidae, the moon snails.

[1] This genus is known in the fossil records from the Triassic to the Quaternary (age range: from 242.0 to 0.0 million years ago).

Fossils are found in the marine strata throughout the world.

There are about 25 extinct species.

[2] Species within the genus Euspira include:[1][2]