Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Mollusca
/
• Gastropoda
/
• Cephalaspidea
/
• Retusidae

Retusidae (family)

• genusColeophysis
• genusCylichnina
• genusPyrunculus
• genusRelichna
• genusRetusa
• genusVolvulella