Polystoma
Animalia | Platyhelminthes | Monogenea | Polystomatidea | Polystomatidae | Polystoma
Aleochara (Emplenota)
Biota | Animalia | Arthropoda | Crustacea | Allotriocarida | Hexapoda | Insecta | Pterygota | Coleoptera | Staphylinidae | Aleocharinae | Aleocharini | Aleochara | Aleochara (Emplenota)
|  | Gravenhorst, 1843 | Brünnich, 1772 | Oakley, Wolf, Lindgren & Zaharoff, 2013 |  |  |  |  | Latreille, 1804 |  |  | Gravenhorst, 1802 | (Casey, 1884)