Brachylaimidae is a family of parasitic flukes in the sub-class Digenea.

Adults are usually found within the digestive tracts and other organs of mammals or birds and have a complex three-stage life cycle.

[2] The adult body is elongate or occasionally oval or subglobular.

There is usually a prepharynx, the pharynx is muscular, the oesophagus, if present, is short and the caeca long, terminating near the posterior end.

[3] Adult flukes in this family are found in mammals, birds and occasionally amphibians.