Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Cnidaria
/
• Hydrozoa
/
• Trachymedusae

Trachymedusae (order)

• familyGeryoniidae
• familyHalicreatidae
• familyPetasidae
• familyPtychogastriidae
• familyRhopalonematidae