Polystoma
Animalia | Platyhelminthes | Monogenea | Polystomatidea | Polystomatidae | Polystoma
Polystoma
Eukaryota | Animalia | Mollusca | Polystoma
COL:CS5HF | COL:N | COL:M2L | COL:RSV3C
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Piette in d'Orbigny, 1891