1. Species Ancyrocephalus atherinae Price, 1934
2. Species Ancyrocephalus macrogaster Yamaguti, 1953
3. Species Ancyrocephalus manilensis Tubangui, 1931
4. Species Ancyrocephalus paradoxus Creplin, 1839
5. Species Ancyrocephalus parspinicirrus Mamaev, 1970
6. Species Ancyrocephalus parupenei Yamaguti, 1968
7. Species Ancyrocephalus parvus Linton, 1940
8. Species Ancyrocephalus pauu Yamaguti, 1968
9. Species Ancyrocephalus pseudorhombi Tripathi, 1959
10. Species Ancyrocephalus rarus Vijaya Raju, 1978
11. Species Ancyrocephalus salinus Paperna, 1964
12. Species Ancyrocephalus trullae Williams, 1980
13. Species Ancyrocephalus tylosuri (MacCallum, 1917) Johnston & Tiegs, 1922
14. Species Ancyrocephalus unicirrus Tripathi, 1959
15. Species Ancyrocephalus vesiculosus Murray, 1931
16. Species Ancyrocephalus visakhapatnamensis Vijaya Raju, 1978
17. Subgenus Ancyrocephalus (Diplectanotrema) Johnston & Tiegs, 1922 accepted as Diplectanotrema Johnston & Tiegs, 1922 (Status emended)
18. Species Ancyrocephalus balisticus Hargis, 1955 accepted as Haliotrema balisticus (Hargis, 1955) Yamaguti, 1963 (Superseded combination)
19. Species Ancyrocephalus bassensis Hughes, 1928 accepted as Platycephalotrema bassense (Hughes, 1928) Kritsky & Nitta, 2019 (Superseded combination)
20. 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1953) Bychowsky & Nagibina, 1970 accepted as Haliotrema bilobatum (Yamaguti, 1953) Bychowsky & Nagibina, 1970 (Superseded combination)
21. Species Ancyrocephalus brevirostris Agrawal & Yadav, 1996 accepted as Triacanthinella principalis Bychowsky & Nagibina, 1968 (synonym)
22. Species Ancyrocephalus chaetodipteri Pearse, 1949 accepted as Tetrancistrum longiphallus (MacCallum, 1915) Price, 1937 accepted as Parancylodiscoides longiphallus (MacCallum, 1915) Lim & Gibson, 2009 (Synonym)
23. 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& Garippa, 2010 accepted as Xenoligophoroides cobitis (Ergens, 1963) Dmitrieva, Sanna, Piras, Garippa & Merella, 2018 (Superseded combination)
24. Species Ancyrocephalus eilaticus Paperna, 1965 accepted as Haliotrema eilaticum (Paperna, 1965) Young, 1968 (Superseded combination)
25. Species Ancyrocephalus etropli Gusev, 1963 accepted as Sclerocleidoides etropli (Gusev, 1963) Agrawal, Yadav & Kritsky, 2001 (Superseded combination)
26. Species Ancyrocephalus felis Hargis, 1955 accepted as Neotetraonchus felis (Hargis, 1955) Paperna, 1977 (Superseded combination)
27. Species Ancyrocephalus fluviatilis Bychowsky, 1949 accepted as Ligophorus fluviatilis (Bychowsky, 1949) Dmitrieva, Gerasev, Gibson, Pronkina & Galli, 2012
28. Species Ancyrocephalus indicus (Tripathi, 1957) Yamaguti, 1963 accepted as Haliotrema indicum Tripathi, 1959 (Superseded combination)
29. Species Ancyrocephalus johni Tripathi, 1959 accepted as Euryhaliotrema johni (Tripathi, 1959) Kritsky & Boeger, 2002 (synonym)
30. Species Ancyrocephalus kaohsianghsieni Gusev, 1962 accepted as Ligophorus kaohsianghsieni (Gusev, 1962) Gusev, 1985
31. Species Ancyrocephalus lactophrys (MacCallum, 1915) Johnston & Tiegs, 1922 accepted as Haliotrema lactophrys (MacCallum, 1915) Vala, Maillard & Overstreet, 1982 (Superseded combination)
32. Species Ancyrocephalus leporinus Zhang & Ji, 1981 accepted as Ligophorus leporinus (Zhang & Ji, 1981) Gussev, 1985
33. Species Ancyrocephalus lethrini Yamaguti, 1937 accepted as Haliotrema lethrini (Yamaguti, 1937) Young, 1968 accepted as Lethrinitrema lethrini (Yamaguti, 1937) Lim & Justine, 2011 (Superseded combination)
34. 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)
35. Species Ancyrocephalus nengi Tripathi, 1959 accepted as Chauhanellus nengi (Tripathi, 1959) Bychowsky & Nagibina, 1969 (Superseded combination)
36. Species Ancyrocephalus ornatus Yamaguti, 1968 accepted as Haliotrema obesum (Caballero, Bravo-Hollis & Grocott, 1955) Young, 1968 (unaccepted > junior subjective synonym)
37. 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)
38. 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)
39. Species Ancyrocephalus robusta Murray, 1931 accepted as Murraytrema robustum (Murray, 1931) Price, 1937 (Superseded combination)
40. Species Ancyrocephalus scapulasser Mamaev, 1970 accepted as Protogyrodactylus scapulasser (Mamaev, 1970) Gusev, 1973 (synonym)
41. Species Ancyrocephalus sinensis Yamaguti, 1963 accepted as Platycephalotrema sinense (Yamaguti, 1963) Kritsky & Nitta, 2019 (Superseded combination)
42. Species Ancyrocephalus spinicirrus Yamaguti, 1953 accepted as Haliotrema spinicirrus (Yamaguti, 1953) Bychowsky & Nagibina, 1970 (synonym)
43. Species Ancyrocephalus teuthis (MacCallum, 1915) accepted as Haliotrema teuthis (MacCallum, 1915) Young, 1968 (Superseded combination)
44. Species Ancyrocephalus thysanophrydis Yamaguti, 1937 sensu Yin & Sproston (1948) accepted as Ancyrocephalus sinensis Yamaguti, 1963 accepted as Platycephalotrema sinense (Yamaguti, 1963) Kritsky & Nitta, 2019
45. 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)
46. Species Ancyrocephalus triacantha Tripathi, 1959 accepted as Ancyrocephalus triacanthi Tripathi, 1959 accepted as Haliotrema triacanthi (Tripathi, 1957) Young, 1968 (Mis-spelling)
47. Species Ancyrocephalus triacanthi Tripathi, 1959 accepted as Haliotrema triacanthi (Tripathi, 1957) Young, 1968 (Superseded combination)
48. 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)

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