Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Cnidaria
/
• Hydrozoa
/
• Leptothecata
/
• Laodiceidae
/
• Ptychogena

Ptychogena (genus)

• speciesPtychogena antarctica
• speciesPtychogena aurea
• speciesPtychogena californica
• speciesPtychogena crocea
• speciesPtychogena hyperborea
• speciesPtychogena lactea
• speciesPtychogena longigona