_- Ametrodaptes
- Anamonorchis
- Ancylocoelium
- Bathymonorchis
- Cableia
- Diplohurleytrema
- Diplomonorchis
- Genolopa
- Helicometroides
- Huridostomum
- Hurleytrema
- Hurleytrematoides
- Infundibulostomum
- Lasiotocus
- Monorcheides
- Monorchicestrahelmins
- Monorchis
- Opisthodiplomonorchis
- Opisthomonorcheides
- Opisthomonorchis
- Parachrisomon
- Parahurleytrema
- Paramonorcheides
- Paraproctotrema
- Parasymphylodora
- Paratimonia
- Postmonorchis
- Proctotrema
- Proctotrematoides
- Pseudohurleytrema
- Pseudopisthomonorchis
- Telolecithus