Language: Bilingual in English and Chinese
The book describes 198 species, of which 30 are new to science. It comprises of following chapters:
1. Introduction
2. Monocotylidae Taschenberg, 1879
3. Capsalidae Barid , 1853
4. Dionchidae Bychowsky, 1957
5. Gyrodactylidae (Van Beneden & Hesse, 1863)
6.T etraonchoididae Bychowsky, 1951
7. Calceostomatidae Parona & Perugia, 1890
8. Amphibdellatidae (carus, 1885) Bychowsky, 1937
9. Dactylogyridae Bychowsky, 1933
10. Ancyrocephalidae Bychowsky & Nagibina , 1978
11. Protogyrodactylidae Johnston & Tiegs, 1922
12. Diplectanidae Bychowsky, 1957
13. Hexabothriidae Price, 1942
14. Plectanocotylidae Monticelli, 1930
15. Mazocraeidae Price, 1936
16. Pseudodiclidophoridae Yamaguti, 1965
17. Protomicrocotylidae ( Johnston & Tiegs, 1922)
18. Allodiscocotylidae Tripathi, 1959
19. Chauhaneidae Euzet & Triles, 1960
20. Bychowskicotylidae (Lebedev, 1969)
21. Gastrocotylidae Price, 1943
22. Znroyhotsvovoyylifsr zz9zlrnrfrb, 1969)
23. Gotocotylidae (Yamaguti, 1963) Lebdev, 1970
24. Azinidae Monticelli, 1903
25. Heteraxinidae Price, 1962
26. Microcotyiidae Taschenberg, 1879
27. Diclidophoridae Cerfontaine, 1895
28. Heteromicrocotylidae Unnithan, 1961
29. Paramonaxinidae Mamaev, 1990