Mud Snail or Periwinkle (Inconclusive due to low image clarity)

Phylum: Mollusca, Class: Gastropoda, Order: Neogastropoda, Family: Nassariidae, Genus: Nassarius, Species: Indeterminate · Nassariidae (Nassa mud snail family) · Gastropod univalve, whole small spiral shell

Mud Snail or Periwinkle (Inconclusive due to low image clarity)

Species

Nassarius sp. (Confidence Level: Low due to distance and lighting)

Shell Type

Gastropod univalve, whole small spiral shell

Family

Nassariidae (Nassa mud snail family)

Size

Approximately 0.5 to 1 inch based on visual estimation, typical for many small intertidal gastropods.

Color & Pattern

Indeterminate due to shadow and distance, appears greyish or muted in current lighting.

Rarity

Very Common

Habitat

Typically intertidal and shallow subtidal zones, often found on muddy or sandy bottoms.

Geographic Range

Cosmopolitan depending on the exact species; genera of small snails are found worldwide in temperate to tropical waters.

Description

Due to the extreme distance and lighting conditions in the photograph, only a tiny silhouette of a small spiral gastropod is visible against a patterned fabric background.

Key Features

Small spiral structure, typical of minor marine snails.

Collector Value

Little to no commercial or collector value due to commonality and lack of specific identification.

Condition Notes

Unable to assess accurately due to image quality; collectibility grade cannot be determined.

Interesting Facts

Small marine snails often play critical roles in benthic ecosystems as scavengers and part of the detritivorous food web.

Ecological Role

Acts as a scavenger and detritivore, recycling nutrients in coastal marine environments.

Similar Species

Many small gastropods including Littorinidae and Nassariidae members.

Beach Finding Tips

Look along the wrack line or in shallow tidal pools along sandy or muddy beaches.

Identified on 10/2/2026
Mud Snail or Periwinkle (Inconclusive due to low image clarity) | Sea Shell Identifier