Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Arthropoda
/
• Branchiopoda
/
• Diplostraca
/
• Not assigned
/
• Macrodasyda
/
• Thaumastodermatidae
/
• Ptychostomella
/
• Ptychostomella helena

Ptychostomella helena (species)