Seanet Mid Intertidal

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Ocinebrina circumtexta  Stearns, 1871
Phylum Mollusca, Class Gastropoda, Subcl. Orthogastropoda, Superorder Caenogastropoda, Order Sorbeoconcha, Infraorder Neogastropoda, Family Muricidae

Spiral shell to 25 mm; siphonal canal short & open on ventral side; strong spiral grooves with several low broad axial ribs; shell white or gray w. 2 bands of square brown spots per whorl.

Moderately common, mid-intertidal zone, protected outer coast.

Geo Range: northern California. to Baja
Synonyms: Ocenebra circumtexta
Similar species: Acanthinucella & Nucella are larger & both lack the incised spiral, somewhat reticulate sculpture of Ocinebrina.

Image: dark crust is Petrocelis phase of (probably) Mastocarpus papillatus.

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