Cystidicola serratus (Wright, 1879) Railliet, 1916 sp. inq.

From the cephalic structure and other morphological features Ko & Anderson (1969) concluded that this species should be regarded as Rhabdochona species inquirendum. Site: heart

Host: Coregonus artedi or Coregonus clupeaformis Distribution: Ontario

Record: Wright 1879