Anguinoides Chitwood, 1936 (basis of record)
Anguinoides Chitwood, 1936 (extant flag source)
Dagda Southern, 1914 (extant flag source)
Dagda Southern, 1914 (basis of record)
Diodontolaimus Southern, 1914 (basis of record)
Diodontolaimus Southern, 1914 (extant flag source)
Ionema Cobb, 1920 (extant flag source)
Ionema Cobb, 1920 (basis of record)
Listia Blome, 1982 (basis of record)
Listia Blome, 1982 (extant flag source)
Onchium Cobb, 1920 (extant flag source)
Onchium Cobb, 1920 (basis of record)
Procamacolaimus Gerlach, 1954 (basis of record)
Procamacolaimus Gerlach, 1954 (extant flag source)
Smithsoninema Hope & Tchesunov, 1999 (basis of record)
Smithsoninema Hope & Tchesunov, 1999 (extant flag source)