Azygiidae Lühe, 1909 (original description)
Azygiinae Lühe, 1909 (original description)
Azygioidea Lühe, 1909 (original description)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (redescription)
Crepidostomum farionis (Müller, 1780) Lühe, 1909 (new combination reference)
Crepidostomum farionis (Müller, 1780) Lühe, 1909 (redescription)
Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)
Cryptocotylinae Lühe, 1909 (original description)
Derogenes varicus (Müller, 1784) Looss, 1901 (redescription)
Deropristis inflata (Molin, 1859) Odhner, 1902 (additional source)
Lecithaster confusus Odhner, 1905 (redescription)
Lecithaster gibbosus (Rudolphi, 1802) Lühe, 1901 (redescription)
Podocotyle atomon (Rudolphi, 1802) Odhner, 1905 (redescription)

German Exclusive Economic Zone for Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 
German Exclusive Economic Zone for Derogenes varicus (Müller, 1784) Looss, 1901 
German Exclusive Economic Zone for Lecithaster confusus Odhner, 1905 
German Exclusive Economic Zone for Lecithaster gibbosus (Rudolphi, 1802) Lühe, 1901 
Germany for Crepidostomum farionis (Müller, 1780) Lühe, 1909 
Germany for Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 
Germany for Podocotyle atomon (Rudolphi, 1802) Odhner, 1905 
Mediterranean Sea for Deropristis inflata (Molin, 1859) Odhner, 1902 
Scandinavia for Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903