Postmonorchis
(tree size 3)
Monorcheides
(tree size 9)
Lasiotocus
(tree size 56)
Telolecithus
(tree size 1)
Paraproctotrema
(tree size 5)
Genolopa
(tree size 16)
Proctotrema
(tree size 8)
Timonia
(tree size 3)
Ancylocoelium
(tree size 2)
Proctotrematoides
(tree size 11)
Hurleytrema
(tree size 9)
Paratimonia
(tree size 4)
Diplomonorchis
(tree size 12)
Monorchis
(tree size 13)
Bathymonorchis
(tree size 1)
Pseudohurleytrema
(tree size 4)
Zhukovtrema
(tree size 1)
Monorchiinae
(tree size 66)
Infundibulostomum
(tree size 3)
Hurleytrematinae
(tree size 44)
Parasymphylodora
(tree size 1)
Anamonorchiinae
(tree size 2)
Octotestiinae
(tree size 5)
Opisthomonorcheidinae
(tree size 26)
Opisthomonorchiinae
(tree size 9)
Parachrisomon
(tree size 8)
Pristisomum
(tree size 2)
Heckmannia
Physochoerus
Sphericomonorchis