Subfamily Cyathostominae Nicoll, 1927

V. Genus Cyathostomum Molin, 1861 Hartwich, 1986

16 C. tetracanthum (Mehlis, 1831) Molin, 1861, in part; Looss, 1900 - species typica

17 C. catinatum Looss, 1900

18 C. pateratum (Yorke and Macfie, 1919); K'ung, 1964

19 C. alveatum Looss, 1900

20 C. montgomeryi (Boulenger, 1920) K'ung, 1964

VI. Genus Coronocyclus Hartwich, 1986

21 C. coronatus (Looss, 1900) Hartwich, 1986 - species typica

22 C. labiatus (Looss, 1902) Hartwich, 1986

23 C. labratus (Looss, 1900) Hartwich, 1986

24 C. sagittatus (Kotlan, 1920) Hartwich, 1986

25 C. ulambajari Dvojnos, Kharchenko and Lichtenfels, 1994

VII. Genus Cylicodontophorus Ihle, 1922

26 C. bicoronatus (Looss, 1900), Ihle, 1922 - species typica

27 C. reineckei Scialdo-Krecek and Malan, 1984

VIII. Genus Cylicocyclus Ihle, 1922

28 C. radiatus (Looss, 1900) Chaves, 1930 - species typica

29 C. ashworthi (LeRoux, 1926) McIntosh, 1933

30 C. asini Matthee et al, 2001

31 C. auriculatus (Looss, 1900) Ershov, 1943

32 C. brevicapsulatus (Ihle, 1920) Ershov, 1943

33 C. elongatus (Looss, 1900) Ershov, 1943

34 C. elongatus kotlani (Ihle, 1920) Ershov, 1943

35 C. insigne (Boulenger, 1917) Foster, 1936

36 C. leptostomum (Kotlan, 1920) Foster, 1936

37 C. nassatus (Looss, 1900) Foster, 1936

38 C. triramosus (Yorke and Macfie, 1920) Ershov, 1939

39 C. ultrajectinus (Ihle, 1920) Ershov, 1943

IX. Genus Cylicostephanus Ihle, 1922

40 C. calicatus (Looss, 1900) Ihle, 1922 - species typica

41 C. minutus (Yorke and Macfie, 1918) Cram, 1924

42 C. hybridus (Kotlan, 1920) Cram, 1924

43 C. longibursatus (Yorke & Macfie, 1918) Cram, 1924

44 C. goldi (Boulenger, 1917) Lichtenfels, 1975

45 C. asymetricus (Theiler, 1923) Ihle, 1925 Cram, 1925

46 C. bidentatus (Ihle, 1925) Lichtenfels, 1975

X. Genus Skrjabinodentus Tshoijo, in Popova, 1958.

47 S. caragandicus (Funikova, 1939) Tshoijo, in Popova 1958, species typica

48 S. longiconus (Scialdo-Krecek, 1983) Lichtenfels and Klei, 1988

49 S. tshoijoi (Dvojnos and Kharchenko, 1986) Lichtenfels and Klei, 1988

XI. Genus Tridentoinfundibulum Tshoijo, in Popova, 1958

50 T. gobi Tshoijo, in Popova, 1958

XII. Genus Petrovinema Ershov, 1943

51 P. skrjabini (Ershov, 1930) Ershov, 1943 - species typica

52 P. poculatum (Looss, 1900) Ershov, 1943

XIII. Genus Poteriostomum Quiel, 1919

53 P. imparidentatum (Quiel, 1919 - species typica

54 P. ratzii (Kotlan, 1919) Yorke and Macfie, 1920

XIV. Genus Parapoteriostomum Hartwich, 1986

55 P. mettami Leiper, 1913 Hartwich, 1986 - species typica

56 P. euproctus (Boulenger, 1917) Hartwich, 1986

57 P. schuermanni (Ortlepp, 1962) Hartwich, 1986

58 P. mongolica (Tshoijo in Popova, 1958) comb. n.

XV. Genus Hsiungia K'ung and Yang, 1964

59 H. pekingensis (K'ung and Yang, 1964) Dvojnos and Kharchenko, 1988

XVI. Genus Cylindropharynx Leiper 1911

60 C. brevicauda Leiper, 1911 - species typica

61 C. aethiopica Roetti, 1947

62 C. asini Roetti, 1947

63 C. intermedia Theiler, 1923

64 C. longicauda Leiper, 1911

65 C. ornata Cram, 1924

66 C. rhodesiensis Yorke and Macfie, 1920

XVII. Genus Caballonema Abuladze, 1937

67 C. longicapsulata Abuladze, 1937

XVIII. Genus Gyalocephalus Looss, 1900

68 G. capitatus Looss, 1900