Nutmeg Shell (specifically the Common Nutmeg)

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Cancellariidae, Genus: Cancellaria, Species: Cancellaria reticulata · Cancellariidae (Nutmeg shells) · Gastropod; whole shell with a globose, ovate-conical spiral shape.

Nutmeg Shell (specifically the Common Nutmeg)

Species

Cancellaria reticulata

Shell Type

Gastropod; whole shell with a globose, ovate-conical spiral shape.

Family

Cancellariidae (Nutmeg shells)

Size

Approximately 1 inch (25mm) in length. This is an average/sub-adult size for a species that typically ranges from 1 to 2.5 inches.

Color & Pattern

Cream to off-white base with reddish-brown or orange-brown spiral bands and irregular streaks. The pattern creates a checkered or cross-hatched look. The interior aperture is typically a lighter cream or pale orange.

Rarity

Common to Uncommon. While widely distributed, they are less frequently found in perfect condition than other common shore shells.

Habitat

Shallow marine waters, typically found in sandy substrates or near offshore reefs at depths of 0 to 50 meters.

Geographic Range

Western Atlantic, ranging from North Carolina through the Gulf of Mexico and Caribbean to Brazil.

Description

A beautiful, ruggedly textured shell named for its resemblance to the nut of a nutmeg. It features a heavy, ovate shell with a prominent lattice-like (reticulated) sculpture formed by intersecting longitudinal ribs and spiral cords. The spire is moderately tall, and the aperture is narrow and elongated.

Key Features

Characteristic reticulated (grid-like) surface sculpture and three distinct folds (plicae) on the columella (the central pillar visible inside the aperture).

Collector Value

Low to Moderate ($2 - $15 USD). It is a popular 'staple' shell for coastal collectors but not a high-value rarity unless it reaches exceptional size or possesses unique dark coloration.

Condition Notes

The shell appears to be in 'Fine' condition. It is largely intact with a clear pattern, though it shows some slight beach-wear on the apex and the outer lip, which is common for beach-found specimens.

Interesting Facts

Unlike many predatory snails, Nutmeg snails are often considered 'ectoparasites' or specialized scavengers. Some species in this family use a specialized proboscis to suck blood from resting rays and electric fish.

Ecological Role

Occupies a unique niche as a specialized scavenger and parasite in sandy-bottom ecosystems. It helps control populations of its host species and contributes to nutrient cycling.

Similar Species

Cancellaria similis (found in West Africa) and Cancellaria decussata (found in the Panamic province). It is distinguished from the Florida Rock Snail by its unique columellar folds.

Beach Finding Tips

Best found on Florida and Gulf Coast beaches after high winds or winter storms which wash them up from deeper sandy bottoms. Look in the 'shell hash' lines just above the high tide mark.

Identified on 6/8/2026