Asymphylodora Looss, 1899 (additional source)
Asymphylodora carpiae Szidat, 1943 (original description)
Asymphylodora demeli Markowski, 1935 (redescription)
Asymphylodora exspinosa (Hausmann, 1896) Looss, 1899 (redescription)
Asymphylodora ferruginosa (von Linstow, 1877) Lühe, 1909 (redescription)
Asymphylodora imitans (Mühling, 1898) Looss, 1899 (redescription)
Asymphylodora tincae (Modeer, 1790) Lühe, 1909 (redescription)
Asymphylodorinae Szidat, 1943 (original description)
Palaeorchis Szidat, 1943 (original description)
Palaeorchis diplorchis (Yamaguti, 1936) Szidat, 1943 (redescription)
Palaeorchis diplorchis (Yamaguti, 1936) Szidat, 1943 (new combination reference)
Palaeorchis incognitus Szidat, 1943 (original description)
Palaeorchis unicus Szidat, 1943 (original description)
Parasymphylodora Szidat, 1943 (original description)
Parasymphylodora indica (Srivastava, 1936) Szidat, 1943 accepted as Asymphylodora indica Srivastava, 1936 (additional source)
Parasymphylodora macrostoma (Ozaki, 1925) Szidat, 1943 accepted as Asymphylodora macrostoma Ozaki, 1925 accepted as Asymphylodora innominata (Faust, 1924) Shimazu, Urabe & Grygier, 2011 (new combination reference)
Parasymphylodora macrostoma (Ozaki, 1925) Szidat, 1943 accepted as Asymphylodora macrostoma Ozaki, 1925 accepted as Asymphylodora innominata (Faust, 1924) Shimazu, Urabe & Grygier, 2011 (redescription)

Curonian Lagoon for Palaeorchis incognitus Szidat, 1943 
Curonian Lagoon for Palaeorchis unicus Szidat, 1943 
Germany for Asymphylodora ferruginosa (von Linstow, 1877) Lühe, 1909 
Germany for Asymphylodora tincae (Modeer, 1790) Lühe, 1909 
Japan for Palaeorchis diplorchis (Yamaguti, 1936) Szidat, 1943 
Japan for Parasymphylodora macrostoma (Ozaki, 1925) Szidat, 1943 
Poland for Asymphylodora demeli Markowski, 1935 
Rhine River for Asymphylodora exspinosa (Hausmann, 1896) Looss, 1899