(Thoracostoma) (Thoracostoma) is a biological genus in the family Leptosomatidae and order Enoplida.
Thoracostoma angustifissulatum
Thoracostoma campbelli
Thoracostoma coronatum
Thoracostoma crassidermum
Thoracostoma jae
Thoracostoma jollaense
Thoracostoma microlobatum
Thoracostoma papillosum
Thoracostoma parasotosum
Thoracostoma penduli
Thoracostoma philippinense
Thoracostoma schizoepistylium
Thoracostoma setosum
Thoracostoma sivertseni
Thoracostoma steineri
Thoracostoma trachygaster
Thoracostoma unifenestratum
Thoracostoma vallini
Thoracostoma zeae
Barbonema
Corythostoma
Cylicolaimus
Deontostoma
Eusynonchus
Leptosomatides
Leptosomatina
Leptosomatum
Leptosomella
Macronchus
Metacylicolaimus
Parabarbonema
Paracylicolaimus
Paraleptosomatides
Paratuerkiana
Platycoma
Platycomopsis
Pseudocella
Ritenbenkia
Synonchoides
Synonchus
Syringonomus
Thoracostoma
Turbolaimella