Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Annelida
/
• Polychaeta
/
• Spionida

Spionida (order)

• familyAberrantidae
• familyApistobranchidae
• familyHeterospionidae
• familyMagelonidae
• familyPoecilochaetidae
• familySpinothecidae
• familySpionidae
• familyTrochochaetidae
• familyUncispionidae