1. Species Achirus achirus (Linnaeus, 1758)
2. Species Achirus declivis Chabanaud, 1940
3. Species Achirus klunzingeri (Steindachner, 1880)
4. Species Achirus lineatus (Linnaeus, 1758)
5. Species Achirus mazatlanus (Steindachner, 1869)
6. Species Achirus mucuri Ramos, Ramos & Lopes, 2009
7. Species Achirus scutum (Günther, 1862)
8. Species Achirus zebrinus Clark, 1936
9. Species Achirus affinis Steindachner, 1915 accepted as Trinectes paulistanus (Miranda Ribeiro, 1915) (synonym)
10. Species Achirus austrinus Chabanaud, 1928 accepted as Trinectes paulistanus (Miranda Ribeiro, 1915) (synonym)
11. Species Achirus barbatus Lacepède, 1802 accepted as Pardachirus marmoratus (Lacepède, 1802) (synonym)
12. Species Achirus bilineatus Lacepède, 1802 accepted as Cynoglossus bilineatus (Lacepède, 1802)
13. Species Achirus cynoglossus Hamilton, 1822 accepted as Cynoglossus cynoglossus (Hamilton, 1822)
14. Species Achirus fasciatus Lacepède, 1802 accepted as Trinectes maculatus (Bloch & Schneider, 1801)
15. Species Achirus fluviatilis Meek & Hildebrand, 1928 accepted as Trinectes fluviatilis (Meek & Hildebrand, 1928)
16. Species Achirus fonsecensis (Günther, 1862) accepted as Trinectes fonsecensis (Günther, 1862)
17. Species Achirus garmani Jordan, 1889 accepted as Catathyridium garmani (Jordan, 1889)
18. Species Achirus hartzfeldii Bleeker, 1853 accepted as Heteromycteris hartzfeldii (Bleeker, 1853)
19. Species Achirus japonicus Temminck & Schlegel, 1846 accepted as Heteromycteris japonicus (Temminck & Schlegel, 1846)
20. Species Achirus jaubertensis Rendahl, 1921 accepted as Rendahlia jaubertensis (Rendahl, 1921)
21. Species Achirus marmoratus Lacepède, 1802 accepted as Pardachirus marmoratus (Lacepède, 1802)
22. Species Achirus melanospilos Bleeker, 1854 accepted as Liachirus melanospilos (Bleeker, 1854)
23. Species Achirus microphthalmus Chabanaud, 1928 accepted as Trinectes microphthalmus (Chabanaud, 1928)
24. Species Achirus opercularis Nichols & Murphy, 1944 accepted as Trinectes opercularis (Nichols & Murphy, 1944)
25. Species Achirus paulistanus Miranda Ribeiro, 1915 accepted as Trinectes paulistanus (Miranda Ribeiro, 1915) (synonym)
26. Species Achirus pavoninus Lacepède, 1802 accepted as Pardachirus pavoninus (Lacepède, 1802)
27. Species Achirus poropterus Bleeker, 1851 accepted as Pardachirus poropterus (Bleeker, 1851)
28. Species Achirus punctatus Desjardins, 1837 accepted as Pardachirus marmoratus (Lacepède, 1802) (synonym)
29. Species Achirus rautheri Chabanaud, 1931 accepted as Pardachirus rautheri (Chabanaud, 1931)
30. Species Achirus maculipinnis (Agassiz, 1831) (uncertain > nomen dubium, also misspelling of the specific epithet)

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