Dichelyne Jägerskiöld, 1902

Generic diagnosis (after Moravec 2013). Cucullanidae . Mouth opening perpendicular to body axis. Pseudobuccal capsule laterally narrowed. Three small papillae on either side of mouth opening. Oesophagus simple, undivided. Dorsal intestinal caecum present. Pre-cloacal sucker absent. Spicules equal and similar. Gubernaculum present. Vulva behind middle of body. Two ovaries. Oviparous.

One species, D. robustus, is known from two species of Ameiurus in Canada.