a. Family- -Mazocraeidae Price, 1936 



b. Family --Hexostomatidae Price, 1936 

 Suborder- -Discocotylinea Bychowsky, 1957 



a. Family- -Discocotylidae Price, 1936 



1. Subfamily- -Discocotylinae Price, 1936 



2. Subfamily --Diplozooninae Palombi, 1949 



b. Family- -Anthocotylidae Bychowsky, 1957 



c. Family- -Plectanocotylidae Poche, 1925 



d. Family- -Diclidophoridae Fuhrmann, 1928 



e. Family- -Microcotylidae Taschenberg, 1879 



f. Family--Protomicrocotylidae Poche, 1925 



g. Family- -Gastrocotylidae Price, 1943 



403 



