1. Species Ancyrocephalus aequalis Gussev, 1963
2. Species Ancyrocephalus assimilis Gusev, 1955
3. Species Ancyrocephalus atherinae Price, 1934
4. Species Ancyrocephalus barilii Paperna, 1973
5. Species Ancyrocephalus botia Porwal, Agrawal, Pandey & Tripathi, 2012
6. Species Ancyrocephalus chakrabarti Gusev, 1976
7. Species Ancyrocephalus chiapanensis Mendoza-Franco, Caspeta-Mandujano & Ramírez-Martínez, 2018
8. Species Ancyrocephalus claveaui Birgi, 1988
9. Species Ancyrocephalus cruciformis Porwal, Agrawal, Pandey & Tripathi, 2012
10. Species Ancyrocephalus curtus Achmerow, 1952
11. Species Ancyrocephalus daniconii Gussev, 1963
12. Species Ancyrocephalus danionis Gussev, 1963
13. Species Ancyrocephalus esomi Gusev, 1963
14. Species Ancyrocephalus forceps (Leuckart, 1858)
15. Species Ancyrocephalus gussevi Dontsov, 1972
16. Species Ancyrocephalus hangchowensis Wu, 1963
17. Species Ancyrocephalus hemibarbi Achmerow, 1952
18. Species Ancyrocephalus heteranchoris Gussev, 1963
19. Species Ancyrocephalus hoffmani Gusev, 1985
20. Species Ancyrocephalus kamegaii Gusev, 1985
21. Species Ancyrocephalus kirtisinghei Gussev, 1963
22. Species Ancyrocephalus macrogaster Yamaguti, 1953
23. Species Ancyrocephalus manilensis Tubangui, 1931
24. Species Ancyrocephalus mogurndae (Yamaguti, 1940)
25. Species Ancyrocephalus ogawai Gusev, 1985
26. Species Ancyrocephalus paradoxus Creplin, 1839
27. Species Ancyrocephalus parspinicirrus Mamaev, 1970
28. Species Ancyrocephalus parupenei Yamaguti, 1968
29. Species Ancyrocephalus parvae Achmerow, 1952
30. Species Ancyrocephalus pauu Yamaguti, 1968
31. Species Ancyrocephalus pavlovskyi Gusev, 1955
32. Species Ancyrocephalus percae Ergens, 1966
33. Species Ancyrocephalus polymorphus Gusev, 1955
34. Species Ancyrocephalus pomacentri Paperna, 1965
35. Species Ancyrocephalus pseudorasborae Achmerow, 1952
36. Species Ancyrocephalus pseudorhombi Tripathi, 1959
37. Species Ancyrocephalus rarus Vijaya Raju, 1978
38. Species Ancyrocephalus rasborae Gussev, 1963
39. Species Ancyrocephalus salinus Paperna, 1964
40. Species Ancyrocephalus skrjabini Gusev, 1955
41. Species Ancyrocephalus subaequalis Achmerow, 1952
42. Species Ancyrocephalus tripathii Gussev, 1963
43. Species Ancyrocephalus unicirrus Tripathi, 1959
44. Species Ancyrocephalus vesiculosus Murray, 1931
45. Species Ancyrocephalus visakhapatnamensis Vijaya Raju, 1978
46. Subgenus Ancyrocephalus (Diplectanotrema) Johnston & Tiegs, 1922 accepted as Diplectanotrema Johnston & Tiegs, 1922 (Status emended)
47. Species Ancyrocephalus aculeatus Van Cleave & Mueller, 1932 accepted as Urocleidus aculeatus (Van Cleave & Mueller, 1932) Mueller, 1934 (Superseded combination)
48. Species Ancyrocephalus alatus Chauhan, 1945 accepted as Chauhanellus alatus (Chauhan, 1945) Bychowsky & Nagibina, 1969 (Superseded combination)
49. Species Ancyrocephalus angularis (Mueller, 1934) Mueller, 1936 accepted as Cleidodiscus angularis (Mueller, 1934) Wiles, 1975 accepted as Salsuginus angularis (Mueller, 1934) Beverley-Burton, 1984 (Superseded combination)
50. Species Ancyrocephalus balisticus Hargis, 1955 accepted as Haliotrema balisticus (Hargis, 1955) Yamaguti, 1963 (Superseded combination)
51. Species Ancyrocephalus bam Tripathi, 1959 accepted as Mastacembelocleidus bam (Tripathi, 1959) Kritsky, Pandey, Agrawal & Abdullah, 2004 (Superseded combination)
52. Species Ancyrocephalus bassensis Hughes, 1928 accepted as Platycephalotrema bassense (Hughes, 1928) Kritsky & Nitta, 2019 (Superseded combination)
53. Species Ancyrocephalus bilobatus Yamaguti, 1953 accepted as Haliotrema bilobatus (Yamaguti, 1953) Bychowsky & Nagibina, 1970 accepted as Haliotrema bilobatum (Yamaguti, 1953) Bychowsky & Nagibina, 1970 (Superseded combination)
54. Species Ancyrocephalus brachus (Mueller, 1938) accepted as Cleidodiscus brachus Mueller, 1938 (Superseded combination)
55. Species Ancyrocephalus brevirostris Agrawal & Yadav, 1996 accepted as Triacanthinella principalis Bychowsky & Nagibina, 1968 (synonym)
56. Species Ancyrocephalus bursatus Mueller, 1936 accepted as Actinocleidus bursatus (Mueller, 1936) Mueller, 1937 accepted as Clavunculus bursatus (Mueller, 1936) Mizelle, Stokely, Jaskoski, Seamster & Monaco, 1956 (Superseded combination)
57. Species Ancyrocephalus bychowskii Markevich, 1934 accepted as Cichlidogyrus bychowskii (Markevich, 1934) Paperna, 1960 (Superseded combination)
58. Species Ancyrocephalus chaetodipteri Pearse, 1949 accepted as Tetrancistrum longiphallus (MacCallum, 1915) Price, 1937 accepted as Parancylodiscoides longiphallus (MacCallum, 1915) Lim & Gibson, 2009 (Synonym)
59. Species Ancyrocephalus cobitis Ergens, 1963 accepted as Haliotrema cobitis (Ergens, 1963) Merella, Dmitrieva, Piras, Huyse, Gerasev & Garippa, 2010 accepted as Xenoligophoroides cobitis (Ergens, 1963) Dmitrieva, Sanna, Piras, Garippa & Merella, 2018 (Superseded combination)
60. Species Ancyrocephalus cornutus Williams & Rogers, 1972 accepted as Hemirhamphiculus cornutus (Williams & Rogers, 1972) Kritsky & Bakenhaster, 2024 (unaccepted > superseded combination)
61. Species Ancyrocephalus crassiusculus (Wedl, 1858) Sproston, 1946 accepted as Ancyrocephalus paradoxus Creplin, 1839 (unaccepted > junior subjective synonym)
62. Species Ancyrocephalus cruciatus (Wedl, 1857) accepted as Actinocleidus cruciatus (Wedl, 1858) (Superseded combination)
63. Species Ancyrocephalus cruciformes Porwal, Agrawal, Pandey & Tripathi, 2012 accepted as Ancyrocephalus cruciformis Porwal, Agrawal, Pandey & Tripathi, 2012 (unaccepted > misspelling - incorrect subsequent spelling)
64. Species Ancyrocephalus dyki Lucky, 1972 accepted as Urocleidoides reticulatus Mizelle & Price, 1964 (Synonym)
65. Species Ancyrocephalus eilaticus Paperna, 1965 accepted as Haliotrema eilaticum (Paperna, 1965) Young, 1968 (Superseded combination)
66. Species Ancyrocephalus etropli Gusev, 1963 accepted as Sclerocleidoides etropli (Gusev, 1963) Agrawal, Yadav & Kritsky, 2001 (Superseded combination)
67. Species Ancyrocephalus felis Hargis, 1955 accepted as Neotetraonchus felis (Hargis, 1955) Paperna, 1977 (Superseded combination)
68. Species Ancyrocephalus fluviatilis Bychowsky, 1949 accepted as Ligophorus fluviatilis (Bychowsky, 1949) Dmitrieva, Gerasev, Gibson, Pronkina & Galli, 2012
69. Species Ancyrocephalus indicus (Tripathi, 1957) Yamaguti, 1963 accepted as Haliotrema indicum Tripathi, 1959 accepted as Platycephalotrema indicum (Tripathi, 1959) Kritsky, Al-Darwesh & Ali, 2024 (Superseded combination)
70. Species Ancyrocephalus johni Tripathi, 1959 accepted as Euryhaliotrema johni (Tripathi, 1959) Kritsky & Boeger, 2002 (synonym)
71. Species Ancyrocephalus kaohsianghsieni Gusev, 1962 accepted as Ligophorus kaohsianghsieni (Gusev, 1962) Gusev, 1985
72. Species Ancyrocephalus lactophrys (MacCallum, 1915) Johnston & Tiegs, 1922 accepted as Haliotrema lactophrys (MacCallum, 1915) Vala, Maillard & Overstreet, 1982 (Superseded combination)
73. Species Ancyrocephalus leporinus Zhang & Ji, 1981 accepted as Ligophorus leporinus (Zhang & Ji, 1981) Gussev, 1985
74. Species Ancyrocephalus lethrini Yamaguti, 1937 accepted as Haliotrema lethrini (Yamaguti, 1937) Young, 1968 accepted as Lethrinitrema lethrini (Yamaguti, 1937) Lim & Justine, 2011 (Superseded combination)
75. Species Ancyrocephalus limnotrissae Paperna, 1973 accepted as Kapentagyrus limnotrissae (Paperna, 1973) Kmentová, Gelnar & Vanhove in Kmentová, Steenberge, Raeymaekers, Koblmüller, Mulungula, N'sibula, Hablützel, Bukinga, Nzigidahera, Ntakimazi, Gelnar & Vanhove, 2018 (Superseded combination)
76. Species Ancyrocephalus macassarensis Yamaguti, 1963 accepted as Haliotrema macassarense (Yamaguti, 1963) Bychowsky & Nagibina, 1970 accepted as Platycephalotrema macassarense (Yamaguti, 1963) Kritsky & Nitta, 2019 (Superseded combination)
77. Species Ancyrocephalus monticellii Cognetti de Martiis, 1924 accepted as Haplocleidus monticellii (Cognetti de Martiis, 1924) accepted as Cleidodiscus monticellii (Cognetti de Martis, 1924) accepted as Ligictaluridus monticellii (Cognetti de Martis, 1924) Klassen & Beverley-Burton, 1985 (Superseded combination)
78. Species Ancyrocephalus mormyris Paperna, 1973 accepted as Bouixella mormyris (Paperna, 1973) Dossou & Euzet, 1984 (Superseded combination)
79. Species Ancyrocephalus nengi Tripathi, 1959 accepted as Chauhanellus nengi (Tripathi, 1959) Bychowsky & Nagibina, 1969 (Superseded combination)
80. Species Ancyrocephalus notopterus (Jain, 1955) Gusev, 1976 accepted as Silurodiscoides notopterus (Jain, 1955) Lim & Furtado, 1986 accepted as Thaparocleidus notopterus (Jain, 1955) Lim, 1996 (Superseded combination)
81. Species Ancyrocephalus ornatus Yamaguti, 1968 accepted as Haliotrema obesum (Caballero, Bravo-Hollis & Grocott, 1955) Young, 1968 (unaccepted > junior subjective synonym)
82. Species Ancyrocephalus parvus Bauer, 1948 nec Linton, 1940 accepted as Cleidodiscus brachus Mueller, 1938 (Synonym)
83. Species Ancyrocephalus parvus Linton, 1940 accepted as Hemirhamphiculus parvus (Linton, 1940) Kritsky & Bakenhaster, 2024 (unaccepted > superseded combination)
84. Species Ancyrocephalus pellonulae Paperna, 1969 accepted as Kapentagyrus pellonulae (Paperna, 1969) Kmentová, Gelnar & Vanhove in Kmentová, Steenberge, Raeymaekers, Koblmüller, Mulungula, N'sibula, Hablützel, Bukinga, Nzigidahera, Ntakimazi, Gelnar & Vanhove, 2018 (Superseded combination)
85. Species Ancyrocephalus perplexus Gusev, 1955 accepted as Cleidodiscus brachus Mueller, 1938 (Synonym)
86. Species Ancyrocephalus platycephali Yamaguti, 1953 accepted as Ancyrocephalus macassarensis Yamaguti, 1963 accepted as Haliotrema macassarense (Yamaguti, 1963) Bychowsky & Nagibina, 1970 accepted as Platycephalotrema macassarense (Yamaguti, 1963) Kritsky & Nitta, 2019 (Secondary homonym)
87. Species Ancyrocephalus platycephali (Yin & Sproston, 1948) Yamaguti, 1963 accepted as Pseudohaliotrema platycephali (Yin & Sproston, 1948) Young, 1968 accepted as Platycephalotrema platycephali (Yin & Sproston, 1948) Kritsky & Nitta, 2019 (Superseded combination)
88. Species Ancyrocephalus pricei Mueller, 1936 accepted as Ligictaluridus pricei (Mueller, 1936) Beverley-Burton, 1984 (Superseded combination)
89. Species Ancyrocephalus pterophylli Lucky, 1970 accepted as Gussevia spiralocirra Kohn & Paperna, 1964 (Synonym)
90. Species Ancyrocephalus robusta Murray, 1931 accepted as Murraytrema robustum (Murray, 1931) Price, 1937 (Superseded combination)
91. Species Ancyrocephalus scapulasser Mamaev, 1970 accepted as Protogyrodactylus scapulasser (Mamaev, 1970) Gusev, 1973 (synonym)
92. Species Ancyrocephalus siluri Zandt, 1924 accepted as Urocleidus siluri (Zandt, 1924) Mizelle & Hughes, 1938 accepted as Ancylodiscoides siluri (Zandt, 1924) Yamaguti, 1937 accepted as Parancylodiscoides siluri (Zandt, 1924) Achmerow, 1964 accepted as Silurodiscoides siluri (Zandt, 1924) Gusev, 1976 accepted as Thaparocleidus siluri (Zandt, 1924) Lim, 1996 (Superseded combination)
93. Species Ancyrocephalus sinensis Yamaguti, 1963 accepted as Platycephalotrema sinense (Yamaguti, 1963) Kritsky & Nitta, 2019 (Superseded combination)
94. Species Ancyrocephalus spinicirrus Yamaguti, 1953 accepted as Haliotrema spinicirrus (Yamaguti, 1953) Bychowsky & Nagibina, 1970 (synonym)
95. Species Ancyrocephalus spirae Williams, 1980 accepted as Salsuginus spirae (Williams, 1980) Murith & Beverley-Burton, 1985 (Superseded combination)
96. Species Ancyrocephalus synodontii Paperna & Thurston, 1968 accepted as Schilbetrema synodontii (Paperna & Thurston, 1968) Gusev, 1976 accepted as Synodontella synodontii (Paperna & Thurston, 1968) Dossou & Euzet, 1993 (Superseded combination)
97. Species Ancyrocephalus teuthis (MacCallum, 1915) accepted as Haliotrema teuthis (MacCallum, 1915) Young, 1968 (Superseded combination)
98. Species Ancyrocephalus thysanophrydis Yamaguti, 1937 sensu Yin & Sproston (1948) accepted as Ancyrocephalus sinensis Yamaguti, 1963 accepted as Platycephalotrema sinense (Yamaguti, 1963) Kritsky & Nitta, 2019
99. Species Ancyrocephalus thysanophrydis Yamaguti, 1937 accepted as Haliotrema thysanophrydis (Yamaguti, 1937) Bychowsky & Nagibina, 1971 accepted as Platycephalotrema thysanophrydis (Yamaguti, 1937) Kritsky & Nitta, 2019 (Superceded combination)
100. Species Ancyrocephalus triacantha Tripathi, 1959 accepted as Ancyrocephalus triacanthi Tripathi, 1959 accepted as Haliotrema triacanthi (Tripathi, 1957) Young, 1968 (Mis-spelling)
101. Species Ancyrocephalus triacanthi Tripathi, 1959 accepted as Haliotrema triacanthi (Tripathi, 1957) Young, 1968 (Superseded combination)
102. Species Ancyrocephalus trullae Williams, 1980 accepted as Hemirhamphiculus trullae (Williams, 1980) Kritsky & Bakenhaster, 2024 (unaccepted > superseded combination)
103. Species Ancyrocephalus tylosuri (MacCallum, 1917) Johnston & Tiegs, 1922 accepted as Hemirhamphiculus tylosuri (MacCallum, 1917) Kritsky & Bakenhaster, 2024 (unaccepted > superseded combination)
104. Species Ancyrocephalus vanbenedenii (Parona & Perugia, 1890) Johnston & Tiegs, 1922 accepted as Haplocleidus vanbenedenii (Parona & Perugia, 1890) Palombi, 1949 accepted as Haliotrema vanbendeni (Parona & Perugia, 1890) Young, 1968 accepted as Ligophorus vanbenedenii (Parona & Perugia, 1890) Euzet & Suriano, 1977 (Superseded combination)
105. Species Ancyrocephalus vistulensis Sivak, 1932 accepted as Urocleidus vistulensis (Sivak, 1932) Mizelle & Hughes, 1938 accepted as Ancylodiscoides vistulensis (Sivak, 1932) Yamaguti, 1963 accepted as Silurodiscoides vistulensis (Sivak, 1932) Gusev, 1985 accepted as Thaparocleidus vistulensis (Sivak, 1932) Lim, 1996 (Superseded combination)

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