Taxonomia

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

Ptychogastria (genus)

• speciesPtychogastria antarctica
• speciesPtychogastria asteroides
• speciesPtychogastria polaris