Spirurida Chitwood, 1933
Ascarops van Beneden, 1873
Cyathospirura Baylis, 1934
Didelphonema Wolfgang, 1953
Paraspiralatus Gibbons, Nicholls, Bailey & Samour, 2004
Physocephalus Diesing, 1861
Simodosia Vaullegeard, 1901
Simondsia Cobbold, 1864
Spirocerca Railliet & Henry, 1917
Spirosprattus Smales, 2004
Streptopharagus Blanc, 1912