Species

Balanus glandula (Pacific acorn barnacle)

Balanus glandula. Photo: (c) Rebecca Johnson, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Acorn barnacles (Balanus glandula) are one of the most common barnacle species on the Pacific coast of North America, distributed from the U.S. state of Alaska to Bahía de San Quintín near San Quintín, Baja California. They are commonly found in intertidal waters on mussels, rocks and pier pilings.

Humboldt Life
- Kingdom: Animalia (Animals)
  - Phylum: Arthropoda (Arthropods)
    - Subphylum: Crustacea (Crustaceans)
      - Superclass: Multicrustacea (Typical crustaceans)
        Class: Hexanauplia (Barnacles and copepods)
        Subclass: Thecostraca (Barnacles and allies)
        Infraclass: Cirripedia (Barnacles)
        Subterclass: Thoracica (Normal barnacles)
        Superorder: Thoracicalcarea (Thoracican barnacles)
        Order: Balanomorpha (Symmetrical sessile barnacles)
        Superfamily: Balanoidea
        Family: Balanidae
        Genus: Balanus (Rock-barnacles)
        Species: Balanus glandula (Pacific acorn barnacle)

Sightings

Where in Humboldt

Discussion

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