Species

Halosydna brevisetosa (Eighteen-scaled worm)

Halosydna brevisetosa. Photo: (c) Donna Pomeroy, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Polynoidae is a family of scaled Polychaete worms known as the “scale worms”. Short and flat, specimens reach as much as 20 cm in length and 10 cm width in Eulagisca gigantea. An almost-constant number of small segments is the norm. They are covered by scales, technically termed elytra.

Humboldt Life
- Kingdom: Animalia (Animals)
  - Phylum: Annelida (Segmented worms)
    - Class: Polychaeta (Polychaete worms)
      - Subclass: Errantia (Active free-living bristleworms)
        Order: Phyllodocida
        Suborder: Aphroditiformia
        Family: Polynoidae (Scaleworms)
        Subfamily: Lepidonotinae
        Genus: Halosydna
        Species: Halosydna brevisetosa (Eighteen-scaled worm)

Sightings

Where in Humboldt

Discussion

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