Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Mollusca
/
• Gastropoda
/
• Stylommatophora
/
• Charopidae
/
• Ptychodon

Ptychodon (genus)

• speciesPtychodon blacki
• speciesPtychodon leiodon
• speciesPtychodon protoleoidon
• speciesPtychodon roscoei