Lace Murex (also known as the Floridian Lace Murex)

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Muricidae, Genus: Chicoreus, Species: C. florifer dilectus · Muricidae (Murex family or Rock Snail family) · Gastropod (univalve); whole shell with spiral growth and frilled sculpture.

Lace Murex (also known as the Floridian Lace Murex)

Species

Chicoreus florifer dilectus

Shell Type

Gastropod (univalve); whole shell with spiral growth and frilled sculpture.

Family

Muricidae (Murex family or Rock Snail family)

Size

Approximately 0.5 to 0.75 inches. This is a juvenile specimen; adults typically reach 2 to 3.5 inches.

Color & Pattern

Uniformly grayish-white to pale lavender-gray. The shell appears weathered and sun-bleached, likely losing its original dark brown or reddish-pink highlights. The aperture interior shows a hint of darker coloration.

Rarity

Common (frequently found beachcombing in Florida and the Caribbean), though large, intact adults are more prized.

Habitat

Found in shallow marine waters, typically in rubble, seagrass beds, or near oyster bars and mangrove roots.

Geographic Range

Western Atlantic, specifically from North Carolina through Florida, the Bahamas, and the Gulf of Mexico.

Description

A classic example of the Murex family, this juvenile shell features a high spire with three distinct varices per whorl. It is characterized by its 'lacy' appearance, created by frilled, leaf-like spines that protrude from the ribs. Even in this weathered state, the rugged, sculptural texture typical of the Muricidae is evident.

Key Features

Three primary varices (longitudinal ribs) per whorl, globose body whorl, and frilly or foliated spines. The small size and slightly blunt spire suggest a juvenile stage.

Collector Value

Low to Moderate. While it is a beautiful species, this specific specimen is juvenile and weathered. High-quality 'Gem' grade adult specimens with intact spines can hold value for specialized collectors.

Condition Notes

Fair. The shell is complete but shows significant environmental erosion and bleaching. The delicate lace-like edges of the spines have been worn down by wave action, and the color is muted.

Interesting Facts

The Lace Murex is a predatory snail. It uses its specialized radula to drill holes into the shells of bivalves like clams and oysters to consume the soft tissue inside. Members of this family were historically used in other regions to produce 'Tyrian Purple' dye.

Ecological Role

High-level invertebrate predator. It helps regulate bivalve populations in seagrass and mangrove ecosystems. It is not currently a protected species, but live collection is often regulated by local laws.

Similar Species

Apple Murex (Phyllonotus pomum), which has a more rugose, solid appearance and lacks the delicate 'lace' frills; and the Tinted Murex (Chicoreus dilectus), which is often considered the same species or a subspecies.

Beach Finding Tips

Best found after storms or during extreme low tides near oyster bars or in lagoonal areas. Look for the distinctive 'spiky' silhouette among shell drift on Florida's Gulf Coast.

Identified on 6/8/2026