Megalomphala

• Megalomphala carinata
• Megalomphala crassa
• Megalomphala crassiuscula
• Megalomphala cycloides
• Megalomphala dawesi
• Megalomphala gotlandica
• Megalomphala latissima
• Megalomphala marjorae
• Megalomphala planorbiformis
• Megalomphala salpinx
• Megalomphala septentrionale
• Megalomphala taenia