Turritella sp. fossils - Cyprus

Turritella is a genus of medium-sized sea snails with an operculum, marine gastropod mollusks in the family Turritellidae.

They have tightly coiled shells, whose overall shape is basically that of an elongated cone.

The name Turritella comes from the Latin word turritus meaning "turreted" or "towered" and the diminutive suffix -ella
From https://en.wikipedia.org/wiki/Turritella

Photos Nicosia  by George Konstantinou