† Kurtziella (Cryoturris) aptera Woodring 1928 Cryoturris aptera is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

[1] The length of the shell attains 11.4 mm, its diameter 3.9 mm.

This extinct marine species has been found in Pliocene strata of the Bowden Formation, Jamaica; age range: 3.6 to 2.588 Ma.