Cooperiidae

Cooperiidae is a family of nematodes that are one of the most common intestinal parasitic nematodes in cattle in temperate regions.^[1]

Cooperiidae
L3 stage larva of Cooperia oncophora. Courtesy of Russell Avramenko.
Scientific classification
Kingdom:	Animalia
Phylum:	Nematoda
Class:	Chromadorea
Order:	Rhabditida
Family:	Cooperiidae Skrjabin & Schikhobalova, 1952
Genera
Chabaudstrongylus Dróżdż, 1967 Cooperia Ransom, 1907 Libyostrongylus Lane, 1923 Paracooperia Travassos, 1935 Paralibyostrongylus Ortlepp, 1939