| Christmas Tree Worm (Spirobranchus giganteus). Sometimes, worms don't quite look like worms at first glance! [© callieoldfield]
Chapter Outline- Description of Protostomia
- Classification of Protostomia
- Lophotrochozoa
- Annelida
- Mollusca
- Ecdysozoa
- Panarthropoda
Links to external sites will appear in pop-up windows. | | | 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
- 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
- ORDER PHASCOLOSOMATIFORMES
- Antillesoma antillarum -EOL
- INFRACLASS SIPUNCULIDEA
- ORDER GOLFINGIIDA
- Peanut Worm (Sipunculus nudus) -EOL
- CLITELLATA
- CLASS BRANCHIOBDELLAE
- Branchiobdella parasita -EOL
- CLASS HIRUDINIDA
- ORDER ACANTHOBDELLIDA
- 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
| |