Subphylum

Echinozoa (Sea urchins and sea cucumbers)

Strongylocentrotus purpuratus. Photo: (c) Robby Deans, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

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Humboldt Life
- Kingdom: Animalia (Animals)
  - Phylum: Echinodermata (Echinoderms)
    - Subphylum: Echinozoa (Sea urchins and sea cucumbers)
      - Class: Holothuroidea (Sea cucumbers) (7)
      - Class: Echinoidea (Sea urchins, sand dollars, and heart urchins) (4)

Subtaxa

Class: Holothuroidea (Sea cucumbers)

Class: Echinoidea (Sea urchins, sand dollars, and heart urchins)

Where in Humboldt

Discussion

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