Camallanus Railliet & Henry, 1915

Generic diagnosis (after Moravec 2013). Camallanidae . Mouth opening slit-like. Buccal capsule divided into two lateral valves; buccal cavity behind valves reduced to basal ring; longitudinal thickenings (bands) sustaining buccal valves continuous, smooth or armed with denticles, not separated into ventral and dorsal groups; tridents present. Usually six to seven pairs of pre-cloacal papillae in males. Spicules unequal. Parasites of alimentary tract of fishes and amphibians.