Family: Turritellidae. Abundant family of sandy mud snails usually found offshore. Several hundred known species live in mostly tropical waters. Some of the turritella family are noted for their rather bright purple color, as well as brown and beige. This very large family is found worldwide and varies greatly in size.
Screw Turritella Sea Shells Turritella terebra. This sea shell features numerous convex whorls with strong spiral ribs. Abundant to Philippines in sandy mud. Also known as the Auger Screw sea shell. Measures approx 4"-5".
Purple Turritella Sea Shells Turritella communis. Also known as the common screw sea shell. This seashell is commonly found in sand in sub-tidal waters in the Mediterranean and around European Coasts. Measures approx 2. 5".
Knobby Cerith Native to the Indo-Pacific. Cerithium nodulosum is a speciess of sea snail, a marine gastropod mollusk in the family Cerithiidae. 2.5"-3.5"