Worm 28-IV
PROTOSTOMIA
Annelida
 
 
Christmas Tree Worm (Spirobranchus giganteus). Sometimes, worms don't quite look like worms at first glance!
[© callieoldfield]



Chapter Outline
  1. Description of Protostomia
  2. Classification of Protostomia
  3. Lophotrochozoa
  4. Annelida
  5. Mollusca
  6. Ecdysozoa
  7. Panarthropoda

Tree



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The Pacific Northwest is one of the "worm-richest" areas in the nation.

The largest worm species on earth is an Australian worm that can reach 11-feet in length. [Sierra. March/April 2003. p. 59]

  • CLASS POLYCHAETA
    • SUBCLASS ECHIURA
      • ORDER ECHIUROINEA
        • Green Spoonworm (Bonellia viridis) -EOL
      • ORDER XENOPNEUSTA
        • Spoonworm (Urechis caupo) -EOL- Monterey Bay Aquarium
    • SUBCLASS PALPATA
      • INFRACLASS ACICULATA
        • ORDER EUNICIDA
          • Marine Fireworm (Hermodice carunculata) -EOL
        • ORDER PHYLLODOCIDA
          • Amblyosyllis spp. -EOL
          • Unidentified - FLKR
      • INFRACLASS CANALIPALPATA
        • ORDER FLABELLIGERIDA
          • Flabelligera spp. -EOL
        • ORDER SABELLIDA
          • Hydrothermal Vent Worm (Riftia pachyptila) -EOL
          • Christmas Tree Worm (Spirobranchus giganteus) -EOL
    • SUBCLASS SCOLECIDA
      • SUBORDER DINOPHILIDA
      • ORDER CAPITELLIDA
        • Blow Lug (Arenicola marina) -EOL
      • ORDER OPHELIIDA
      • ORDER POTAMODRILIDAE
      • ORDER SPIONIDA
        • Bristleworm (Cirratulus cirratus) -EOL
      • ORDER TEREBELLIDA
        • Alvinella pompejana -EOL
        • Reteterebella - FLKR
    • SUBCLASS SIPUNCULA
      • INFRACLASS PHASCOLOSOMATIDEA
        • ORDER ASPIDOSIPHONIFORMES
          • Aspidosiphon spp. -EOL
        • ORDER PHASCOLOSOMATIFORMES
          • Antillesoma antillarum -EOL
      • INFRACLASS SIPUNCULIDEA
        • ORDER GOLFINGIIDA
          • Peanut Worm (Sipunculus nudus) -EOL
  • CLITELLATA
    • CLASS BRANCHIOBDELLAE
      • Branchiobdella parasita -EOL
    • CLASS HIRUDINIDA
      • ORDER ACANTHOBDELLIDA
        • Acanthobdella peledina
      • ORDER ARHYNCHOBDELLIDA
        • Medicinal Leech (Hirudo medicinalis) -EOL
      • ORDER RHYNCHOBDELLIDA
        • Leech (Piscicola geometra) -EOL
    • SUBCLASS OLIGOCHAETA
      • ORDER HAPLOTAXIDA
        • Nightcrawler (Lumbricus terrestris) -EOL
        • Oregon Giant Earthworm (Driloleirus macelfreshi)
      • ORDER LUMBRICULIDA
        • Lumbriculus variegatus -EOL
      • ORDER MONILIGASTRIDA

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