Alphabet Cone (also known as Lettered Cone)

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Conidae, Genus: Conus, Species: Conus spurius · Conidae (Cone snail family) · Gastropod (univalve) whole shell with a cone shape

Alphabet Cone (also known as Lettered Cone)

Species

Conus spurius

Shell Type

Gastropod (univalve) whole shell with a cone shape

Family

Conidae (Cone snail family)

Size

Approximately 1 to 1.5 inches visible in image, typical adult size ranges from 1.5 to 3 inches.

Color & Pattern

Off-white or cream base color adorned with distinct rows of square or rectangular brownish-orange spots resembling typographical characters or letters.

Rarity

Common

Habitat

Shallow subtidal waters, sand flats, and coral sand areas, typically found buried in sand during the day.

Geographic Range

Western Atlantic Ocean, including the Gulf of Mexico, Caribbean Sea, and down to Brazil.

Description

A classic cone-shaped shell featuring a low spire and a smooth, polished exterior. The pattern of dark rectangular spots arranged in spiral bands gives it its distinctive alphabet-like appearance.

Key Features

Inverted cone shape, low flat spire, smooth glossy surface, and characteristic rows of square brownish spots on a pale background.

Collector Value

Moderately popular among shell collectors due to its striking geometric patterns. Valued affordably, usually ranging from a few dollars to twenty dollars depending on size and pristine quality.

Condition Notes

Specimens appear whole and relatively well-preserved with intact natural patterns, showing minor wear typical of beach or shallow-water finds. Grade: Fine.

Interesting Facts

Like all cone snails, the living animal possesses a specialized venomous harpoon-like radular tooth used to capture prey, though Conus spurius primarily feeds on marine worms and poses little threat to humans compared to piscivorous species.

Ecological Role

Acts as a carnivorous predator in benthic marine ecosystems, helping to regulate polychaete and marine worm populations. Note that live cone snails should be handled with extreme care due to venom.

Similar Species

Conus alphonsi or Conus ermineus, though the distinct rectangular spot arrangement and broad shape differentiate C. spurius.

Beach Finding Tips

Look along tropical and subtropical sandy beaches at low tide, particularly after storms or heavy wave action that disturbs offshore sand bars.

Identified on 8/3/2026