Lettered Olive (juvenile or alternate small spiral shell) / Olive Snail
Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Buccinidae, Genus: Nassarius, Species: Nassarius vibex · Buccinidae (Whelk and Nassa mud snail family) · Gastropod, whole shell, spiral shape
Species
Praticolella or similar small gastropod, or heavily weathered Nassarius / Busycon juvenile
Shell Type
Gastropod, whole shell, spiral shape
Family
Buccinidae (Whelk and Nassa mud snail family)
Size
Approximately 0.5 to 1 inch, typical for small local whelks or nassa snails found along the South Carolina coast.
Color & Pattern
Uniformly chalky white due to sun bleaching and loss of organic periostracum layer. Original patterns are entirely obscured.
Rarity
Common, frequently found by beachcombers along the South Carolina shoreline.
Habitat
Shallow intertidal zones, sandbars, mudflats, and nearshore marine waters.
Geographic Range
Western Atlantic coast from North Carolina down through Florida and the Gulf of Mexico.
Description
A small, sturdy, spire-bearing marine gastropod shell exhibiting pronounced spiral ribs and node-like sculptural features. The overall form is pyriform to oval with a pointed apex, completely bleached white from wave action and sun exposure.
Key Features
Prominent spiral cords, rounded body whorl, small pointed spire, and thick shell construction relative to size.
Collector Value
Low commercial value due to common occurrence and bleached condition, but holds great sentimental value as a beach souvenir.
Condition Notes
Fair condition; completely sun-bleached and worn smooth from tumbling in the surf, lacking any original color pattern or periostracum.
Interesting Facts
Many small marine snails play an essential role as scavengers on the ocean floor, quickly consuming decaying organic matter.
Ecological Role
Serves as a scavenger in the marine ecosystem, helping recycle nutrients by feeding on dead plant and animal matter.
Similar Species
Other small whelks, basket snails, or dove shells which can be differentiated by subtle variations in aperture shape and cord spacing.
Beach Finding Tips
Look along the high tide line or in shell piles left behind by receding waves on South Carolina beaches like Garden City.
Notes
Garden city sc