Family Dalyelliidae
 
Dalyellia Flemming, 1822
 
  Dalyellia cetica Reisinger, 1924 (N)
  Dalyellia scoparia (O. Schmidt, 1858) (N)
  Dalyellia styriaca Reisinger, 1924 (N)
  Dalyellia tatrica Gieysztor, 1938 (N)
  Dalyellia viridis (G. Shaw, 1791) (N, S)
 
Castrella Fuhrmann, 1900
 
  Castrella truncata (Abildgaard, 1789) (N, S)
 
Fulinskiella Gieysztor & Szynal, 1939
 
  Fulinskiella bordeaui (Steinböck, 1926) (N)
 
Gieysztoria Ruebush & Hayes, 1939
 
  Gieysztoria cuspidata (O. Schmidt, 1861) (N, S)
  Gieysztoria diadema (Hofsten, 1907) (N, S)
  Gieysztoria euchroa (Gieysztor, 1926) (N)
  Gieysztoria expedita (Hofsten, 1907) (N)
  Gieysztoria foreli (Hofsten, 1911) (N)
  Gieysztoria infundiboliformis (Fuhrmann, 1894) (N)
  Gieysztoria italica Luther, 1955 (N)
  Gieysztoria lugubris Reisinger, 1924 (N)
  Gieysztoria macrovariata (Weise, 1942) (S)
  Gieysztoria ornata (Hofsten, 1907) (N)
  Gieysztoria pisana Kolasa, 1980 (S)
  Gieysztoria rubra (Fuhrmann, 1894) (N)
  Gieysztoria triquetra (Fuhrmann, 1894) (N)
  Gieysztoria virgulifera (Plotnikov, 1906) (N)
 
Microdalyellia Gieysztor, 1938
 
  Microdalyellia armigera (O. Schmidt, 1861) (N, S)
  Microdalyellia brevimana (Beklemischev, 1921) (N)
  Microdalyellia dastychi Kolasa, 1980 (S)
  Microdalyellia fusca (Fuhrmann, 1894) (N)
  Microdalyellia microphtalma (Vejdovský, 1895) (S)
  Microdalyellia schmidti (Graff, 1882) (S)
  Microdalyellia tennesseensis (Ruebush & Hayes, 1939) (S)
 
Thalassovortex Papi, 1956
 
  Thalassovortex tyrrhenicus Papi, 1956 (3)

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