Cucullanus Mueller, 1777

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 158

Cucullanus Mueller, 1777

Synonym: Indocucullanus Ali, 1956

Generic diagnosis (after Berland 1970, and Moravec 2013). Cucullanidae . Mouth opening perpendicular to body axis or slightly inclined dorsally, and supported by peribuccal cuticularized frame to which are joined some cuticularized pieces inserted into adjacent oesophageal muscles. Lips and pseudolabia absent. External circle of eight cephalic papillae arranged in incompletely fused pairs; inner circle of six very small papillae near border of mouth opening. Amphids at level of external circle of papillae. Oesophagus undivided, expanded both anteriorly and posteriorly. Intestinal caecum absent. Pre-cloacal sucker of males lacking sclerotized rim. Caudal alae absent. Spicules equal. Gubernaculum present. Vulva near middle of body. Vagina directed anteriorly. Two ovaries. Oviparous, eggs thin-walled.