890 Plafhelmmthcs: ]. Treiuatodes. 



3. Subf. Udonellinao Mont. 



Genera: Udonella, Echhiella, rteronella. 

 :i. Farn. Monocjtylidae Tschbg. 



(icnera: l'seudocotyle, Calicotyle, Monocoliflc. 

 I Farn Pulystomidae Tsthhg. 



1. Subf. Prilystominae v. Ben. 



Genera: Polystomum , Erpuculyk, Unchocotyle , Diplobothrium, 

 Sphyranura. 



2. Subf. Octocot ylinae v. Ben.-H. 



Genus: Octocotyk mit den Subgenera: A'allisia, Antbocotj-lc, Diplo- 

 zoon. Ilcxacohle , PhyUocotylo, Plectanocotj-le , Platycotylo, 

 Pleurocotylo. 

 H. Subf. Microcotylinae Tschbg. 



Genera: Microcotyle, Gasirocolyle, Pseudaxitie. 



5. Farn. Uf rodactylidae v. Ben. 



1. Subf. Gyrodactylinae Pai'. et. Per. 



Genera: Gyrodadylus, Dactylogyrus, Tetraonchus, Diiikclamim. 



2. Subf. Calceostomiuae Par. et Per. 



Genera : CaJceustoma, Anoplodiscus. 



II Subordo Aspidocotylea Mout. 



6. Farn. Aspidobutlii'idae Burm. 



liciiera: Asijiduyaster , l'lalyusiyis . CotylogaMir , Aspiducotyk , Ma- 

 craspis. 

 III. Subordo Malarocotjlea Mont. 



7. Fain. Holostomidac Brds. 



1. Subf. Diplostonünao Brds. 



Genus: Diplostomitm. 



2. Subf. Polycotylinao Mont. 



Genus: Polycotyk 



3. Subf. Hemistominae Brds. 



Genus: Hemistomum. 

 i. Subf. Holostominao Brds. 

 Genus : Ilolostomum. 

 H. Farn Ainpliistoiiiidae Mont. 



1. S\ibf. Gastrodisoinao Moiit 



(ienus : Gastrodiscus. 



2. Subf Amphistominae Mont. 



Genera: Anii>hiittomum . DijilinlhrU!', Ga^lrvlhyhi.r , IluiiKÜoiiaster. 

 '.). Farn. Distomidnc Munt. 



1. Subf. Distominae C'ubb. 



Genera: Crplmlnyonitiius, L'rogonimus, Mesogunimu», liluipahplwrus, 

 J)ii^t<imuii), Crossudera, Apohkma., liilhnrzia, Echinostowum, 

 I'odotiilyk. 



2. Subf. Oasterostominao Mont. 



<ien\i.s : Gfinlerostowum. 

 10. Fani. l>idyinn7:oonidae .Mont, 



GoMiia : J)idy»i(>:oim, AimtiUiOotliiitdii 

 II Fani. Monuütoiiiidae M'mt. 



• ienera: Moimalomuiii, Xolocolyh, OgmugdMi-r, Opisthnlreiiia. 

 Di-r riitorscliifil dos jetzigen System.-! mit dem Inilier vnii Moiiti- 

 cclli aufprestellten ergielit sich für die Monogena ans dem Vergleieii 

 des hier res]i. |ig. f)!? von niis reiirodneirteii und soll ebenso wenig discutirt 



