Achaeta vejdovskyi Bretscher, 1902 (original description)
Enchytraeus alpestris Bretscher, 1902 (original description)
Enchytraeus argenteus Michaelsen, 1889 accepted as Marionina argentea (Michaelsen, 1889) (additional source)
Enchytraeus buchholzi Vejdovský, 1878 (additional source)
Enchytraeus nigrina Bretscher, 1900 accepted as Marionina nigrina (Bretscher, 1900) (additional source)
Enchytraeus parvulus Bretscher, 1902 accepted as Marionina parvula (Bretscher, 1902) (original description)
Enchytraeus silvestris Bretscher, 1900 (additional source)
Fridericia connata Bretscher, 1902 (original description)
Fridericia diachaeta Bretscher, 1900 (additional source)
Fridericia emarginata Bretscher, 1902 (original description)
Fridericia exserta Bretscher, 1902 (original description)
Fridericia hegemon (Vejdovský, 1878) (additional source)
Fridericia insubrica Bretscher, 1900 (additional source)
Fridericia michaelseni Bretscher, 1899 accepted as Fridericia galba (Hoffmeister, 1843) (additional source)
Fridericia minuta Bretscher, 1900 (additional source)
Fridericia parva Bretscher, 1902 accepted as Fridericia bretscheri Southern, 1907 (original description)
Fridericia variata Bretscher, 1902 (original description)
Henlea dorsalis Bretscher, 1902 (original description)
Henlea pratorum Bretscher, 1900 (additional source)
Henlea rosai Bretscher, 1899 (additional source)
Mesenchytraeus megachaetus Bretscher, 1901 accepted as Mesenchytraeus armatus (Levinsen, 1884) (additional source)
Mesenchytraeus tigrina Bretscher, 1902 (original description)
Paranais uncinata (Ørsted, 1842) accepted as Uncinais uncinata (Ørsted, 1842) (additional source)

Switzerland for Achaeta vejdovskyi Bretscher, 1902 
Switzerland for Enchytraeus alpestris Bretscher, 1902 
Switzerland for Enchytraeus parvulus Bretscher, 1902 
Switzerland for Fridericia connata Bretscher, 1902 
Switzerland for Fridericia emarginata Bretscher, 1902 
Switzerland for Fridericia exserta Bretscher, 1902 
Switzerland for Fridericia parva Bretscher, 1902 
Switzerland for Fridericia variata Bretscher, 1902 
Switzerland for Henlea dorsalis Bretscher, 1902 
Switzerland for Mesenchytraeus tigrina Bretscher, 1902 

 Type locality

 for Achaeta vejdovskyi Bretscher, 1902

Ascona [details]

 Type locality

 for Henlea dorsalis Bretscher, 1902

Basel, Trimmis [details]