PART III 



SYSTEMATICS AND PHYLOGENY OF Page 



MONOGENETIC TREMATODES 



CHAPTER I. Basic Trends and Phylogenesis of Monogenetic 



Trennatodes 377 



CHAPTER II. Brief Summary of the System of Monogenetic 



Trematodes. 392 



CHAPTER III. System of Monogenetic Trematodes 404 



Class Monogenoidea 



Subclass Polyonchoinea 

 Order Dactylogyridae 



Suborder Dactylogyrinea 



Family Dactylogyridae 

 Family Diplectanidae 

 Family Protogyrodactylidae 

 Family Calceostomatidae 

 Suborder Monopisthocotylinea 

 Family Monocotylidae 

 Family Loimoidae 

 Family Dionchidae 

 Family Capsalidae 

 Family Acanthocotylidae 

 Family Microbothriidae 

 Order Tetraonchidea 



Family Tetraonchidae 

 Family Amphibdellatidae 

 Family Tetraonchoididae 

 Family Bothitrematidae 

 Order Gyrodactylidea 



Suborder Gyrodactylinea 



Family Gyrodactylidae 

 Suborder Polyopisthocotylinea 

 Family Polystomatidae 

 Family Sphyranuridae 

 Subclass O 1 ig o n c h o i n e a 

 Order Diclybothriidea 



Family Diclybothriidae 

 Fanaily Hexabothriidae 

 Order Chimaericolidea 



Family Chimaericolidae 

 Order Mazocraeidea 



Suborder Mazocraeinea 



Family Mazocraeidae 

 Family Hexostomatidae 



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