Seanet High/Mid Intertidal

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Pseudoalloioplana californica (Heath & McGregor, 1912)
Phylum Platyhelminthes, Class "Turbellaria," Order Polycladida, Suborder Acotylea, Family Planoceridae

Flatworm, to 24 mm long with firm oval body; tan to olive with reticulating dark brown branches of gut visible through body wall.

Moderately common, but intermittent; under rocks lying in gravel or shell rubble, upper mid-intertidal zones; exposed & protected outer coast; very photonegative. Probably preys on small snails & other invertebrates.

Geo Range: California coast
Synonyms: Alloioplana californica
Similar species: numerous spp. of flatworms live on rocky shores, but most are rare or cryptic.