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Hydrozoa

Hydrozoa

Taxonomic class of animals.

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 25,583 clicks on its links

  1. Portuguese man o' war

    Species of marine cnidarian.

    11%

  2. Craspedacusta sowerbii

    Species of jellyfish.

    9.1%

  3. Siphonophore

    Order of colonial hydrozoans with differentiated zooids.

    8.6%

  4. Hydra (genus)

    Genus of cnidarians.

    6.8%

  5. Chondrophore

    Small group of hydrozoans comprising the family Porpitidae.

    5.9%

  6. Tubularia

    Genus of hydrozoans.

    4.9%

  7. Hydroidolina

    Subclass of hydrozoans.

    4.8%

  8. Obelia

    Genus of hydrozoans.

    4.7%

  9. Cnidaria

    Aquatic animal phylum having cnidocytes.

    4.5%

  10. Anthoathecata

    Order of hydrozoans which always have a polyp stage.

    4.5%

Readers come from

Share of the 31,170 readers arriving from another article

  1. Portuguese man o' war

    Species of marine cnidarian.

    26%

  2. Cnidaria

    Aquatic animal phylum having cnidocytes.

    18%

  3. Jellyfish

    Soft-bodied, aquatic invertebrates.

    7.6%

  4. Siphonophore

    Order of colonial hydrozoans with differentiated zooids.

    6%

  5. Hydra (genus)

    Genus of cnidarians.

    4.6%

  6. Porpita porpita

    Species of hydrozoan.

    4.4%

  7. Medusozoa

    Clade of marine invertebrates.

    4%

  8. Hydroidolina

    Subclass of hydrozoans.

    3.6%

  9. Turritopsis dohrnii

    Species of small, biologically immortal jellyfish.

    2.3%

  10. Velella

    Species of cnidarian.

    2%