Thatched Barnacle

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Semibalanus cariosus

Thatched Barnacle, a reference photo
Photo: Minette Layne from Seattle, Washington · CC BY-SA 2.0 (licence)

Semibalanus cariosus, commonly known as the thatched barnacle, rock barnacle or horse barnacle, is a species of acorn barnacle occurring in the northern Pacific Ocean.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Thatched Barnacle being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Hexanauplia
Order
Balanomorpha
Family
Balanidae
Species
Semibalanus cariosus

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