Cystidicola

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 95

Key to species of Cystidicola

1 Males 14–19 and females 15–21 long; fully developed eggs bear lateral and/or polar filaments................ C. farionis

- Males 17–31 and females 19–37 long; fully developed eggs bear lateral “lobes” (“floats” or “mammillations” in litt.)................................................................................................. C. stigmatura