Seanet Low Intertidal

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Stenoplax heathiana Berry, 1946
Phylum Mollusca, Class Polyplacophora, Order Chitonida, Family Ishnochitonidae

Elongate oval 8 cm or more; bottom of foot cream; valves white or tan with brown or green speckles or streaks; very photonegative & moves quickly back toward underside of rock when disturbed.

Common, but cryptic under rocks in sand or shell rubble; lower mid-intertidal zone to shallow subtidal.

Geo Range: northern California to Baja
Synonyms: Ishnochiton heathiana
Similar species:  Stenoplax fallax occurs subtidally & has an orange foot and its valves are more purple or reddish.