Family Omalogyridae
 
Omalogyra Jeffreys, 1860
 
  Omalogyra atomus (Philippi, 1841) (3, 4, 5)
 
Ammonicera Vayssière, 1893
 
  Ammonicera fischeriana (Monterosato, 1869) (3, 5)
  Ammonicera rota (Forbes & Hanley, 1850) (3, 5)
 
Retrotortina Chaster, 1896
 
  Retrotortina fuscata Chaster, 1896 (3, 5)
 
Adeuomphalus G. Seguenza, 1876
 
  Adeuomphalus ammoniformis G. Seguenza, 1876 (3, 5)

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