1. Species Sicyopterus aiensis Keith, Watson & Marquet, 2004
2. Species Sicyopterus calliochromus Keith, Allen & Lord, 2012
3. Species Sicyopterus caudimaculatus Maugé, Marquet & Laboute, 1992
4. Species Sicyopterus crassus Herre, 1927
5. Species Sicyopterus cynocephalus (Valenciennes, 1837)
6. Species Sicyopterus elomionearum Lord, Keith, Causse & Amick, 2020
7. Species Sicyopterus erythropterus Keith, Allen & Lord, 2012
8. Species Sicyopterus eudentatus Parenti & Maciolek, 1993
9. Species Sicyopterus fasciatus (Day, 1874)
10. Species Sicyopterus franouxi (Pellegrin, 1935)
11. Species Sicyopterus fuliag Herre, 1927
12. Species Sicyopterus griseus (Day, 1877)
13. Species Sicyopterus hageni Popta, 1921
14. Species Sicyopterus japonicus (Tanaka, 1909)
15. Species Sicyopterus lagocephalus (Pallas, 1770)
16. Species Sicyopterus laticeps (Valenciennes, 1837)
17. Species Sicyopterus lengguru Keith, Lord & Hadiaty, 2012
18. Species Sicyopterus lividus Parenti & Maciolek, 1993
19. Species Sicyopterus longifilis de Beaufort, 1912
20. Species Sicyopterus macrostetholepis (Bleeker, 1853)
21. Species Sicyopterus marquesensis Fowler, 1932
22. Species Sicyopterus microcephalus (Bleeker, 1855)
23. Species Sicyopterus micrurus (Bleeker, 1854)
24. Species Sicyopterus ocellaris Keith, Allen & Lord, 2012
25. Species Sicyopterus ouwensi Weber, 1913
26. Species Sicyopterus parvei (Bleeker, 1853)
27. Species Sicyopterus pugnans (Ogilvie-Grant, 1884)
28. Species Sicyopterus punctissimus Sparks & Nelson, 2004
29. Species Sicyopterus rapa Parenti & Maciolek, 1996
30. Species Sicyopterus sarasini Weber & de Beaufort, 1915
31. Species Sicyopterus squamosissimus Keith, Lord, Busson, Sauri, Hubert & Hadiaty, 2015
32. Species Sicyopterus stimpsoni (Gill, 1860)
33. Species Sicyopterus stiphodonoides Keith, Allen & Lord, 2012
34. Species Sicyopterus wichmanni (Weber, 1894)
35. Species Sicyopterus acutipinnis (Guichenot, 1863) accepted as Cotylopus acutipinnis Guichenot, 1863
36. Species Sicyopterus balinense (Bleeker, 1856) accepted as Sicyopus zosterophorus (Bleeker, 1856) (synonym)
37. Species Sicyopterus brevis de Beaufort, 1912 accepted as Sicyopterus longifilis de Beaufort, 1912
38. Species Sicyopterus caeruleus (Lacepède, 1800) accepted as Sicyopterus lagocephalus (Pallas, 1770)
39. Species Sicyopterus cyanocephalus (Valenciennes, 1837) accepted as Sicyopterus cynocephalus (Valenciennes, 1837) (unaccepted > misspelling - incorrect subsequent spelling)
40. Species Sicyopterus extraneus Herre, 1927 accepted as Sicyopterus lagocephalus (Pallas, 1770)
41. Species Sicyopterus garra Hora, 1925 accepted as Sicyopterus microcephalus (Bleeker, 1855) (synonym)
42. Species Sicyopterus gymnauchen (Bleeker, 1858) accepted as Sicyopterus lagocephalus (Pallas, 1770)
43. Species Sicyopterus halei (Day, 1888) accepted as Sicyopterus macrostetholepis (Bleeker, 1853)
44. Species Sicyopterus japonicum (Tanaka, 1909) accepted as Sicyopterus japonicus (Tanaka, 1909) (misspelling)
45. Species Sicyopterus lachrymosus Herre, 1927 accepted as Sicyopterus longifilis de Beaufort, 1912 (misspelling)
46. Species Sicyopterus lacrymosus Herre, 1927 accepted as Sicyopterus longifilis de Beaufort, 1912
47. Species Sicyopterus maritimus Fourmanoir, 1955 accepted as Istigobius ornatus (Rüppell, 1830)
48. Species Sicyopterus panayensis Herre, 1927 accepted as Sicyopterus longifilis de Beaufort, 1912
49. Species Sicyopterus parvipinnis (Guichenot, 1863) accepted as Cotylopus acutipinnis Guichenot, 1863
50. Species Sicyopterus taeniurus (Günther, 1877) accepted as Sicyopterus lagocephalus (Pallas, 1770)
51. Species Sicyopterus tauae Jordan & Seale, 1906 accepted as Sicyopterus lagocephalus (Pallas, 1770)

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