Oncophora Diesing, 1851

Generic diagnosis (after Baudin-Laurencin 1971, Petter 1979, and Pinto et al. 1988). Camallanidae . Body elongated, tapering at each end. Buccal capsule with two valves, marked internally by numerous interrupted ridges in both sexes. Mouth opening slit-like. Pair of tridents associated with buccal capsule. Oesophagus comprises an anterior muscular portion, and a posterior glandular portion of about equal length. Cuticle thin, finely striated in both sexes.

One species, O. melanocephala, is known from one fish species in Canada.