Phylum Annelida
Class Polychaeta
Class Clitellata
Subclass Oligochaeta
Subclass Hirudinae
Common Annelids
Lumbricus terrestris
Hirudo medicinalis
Chaetopterus variopedatus
Phylum Echiura
Phylum Sipuncula
Source: Professor Blake Barron's Lab Manual
--"Lectures which really teach will never be popular; lectures which are popular will never really teach."-- Michael Faraday
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