Seanet High/Mid Intertidal

High Intertidal Mid Intertidal Low Intertidal    Rocky Shore Taxonomic Subtidal Taxonomic    Rocky Shore by Pictures Subtidal by Pictures

Acanthinucella punctulata (Sowerby, 1825)
Phylum Mollusca, Class Gastropoda, Subcl. Orthogastropoda, Superorder Caenogastropoda, Order Sorbeoconcha, Infraorder Neogastropoda, Family Muricidae

Spiral shell to 27 mm with low spire; distinct tooth on outer lip of aperture; siphonal canal short & open on ventral side; color pattern of interrupted brown spiral bands against light background (appears speckled); shoulder of shell more rounded than angular.

Locally abundant, high to upper mid-intertidal zones, protected outer coast; associated with barnacles.

Geo Range: Monterey Bay to Baja
Synonyms: Acanthina punctulata
Similar species: Acanthinucella spirata occurs lower on the shore, has a slightly higher spire & has a distinct angular keel at shoulder of shell.

barnacles are mostly Balanus glandula