Animalia | Acanthocephala | Palaeacanthocephala | Polymorphida | Polymorphidae | Arhythmorhynchus
Biota | Animalia | Acanthocephala | Palaeacanthocephala | Polymorphida | Polymorphidae | Southwellina | Southwellina hispida
|  | Rudolphi, 1808 | Meyer, 1931 | Petrochenko, 1956 | Meyer, 1931 | Witenberg, 1932 | (Van Cleave, 1925) Witenberg, 1932