Size

Shell Length: 2.5-4.5 cm (1-2"). Slightly less wide

Recognition Characters

High-spired, thick shell, aperture round, umbilicus absent. Whorls convex and somewhat flattened in middle with beaded or knobby spiral cords; knobs on cords are occasionally scalelike. Operculum is oval, white, and smooth.

Color

Grayish to brown or yellowish-orange, irregularly spotted with white or brown

Habitat & Depth

Under and among rocks in shallow water.

Distribution at GRNMS

Rare.

Geographic Range

North Carolina to Brazil

Behavior & Notes

Sculpture, color, and strength of shell highly variable. Species name is the Latin name for "chestnut."

Synonyms

References

Rehder 1981