1. Species Opisthognathus aurifrons (Jordan & Thompson, 1905) accepted as Opistognathus aurifrons (Jordan & Thompson, 1905) (misspelling)
2. Species Opisthognathus cuvieri Valenciennes, 1836 accepted as Opistognathus cuvierii Valenciennes, 1836 (misspelling)
3. Species Opisthognathus cuvieri Valenciennes, 1840 accepted as Opistognathus nigromarginatus Rüppell, 1830
4. Species Opisthognathus cuvierii Valenciennes, 1836 accepted as Opistognathus cuvierii Valenciennes, 1836 (synonym)
5. Species Opisthognathus darwiniensis MacLeay, 1878 accepted as Opistognathus darwiniensis MacLeay, 1878 (misspelling)
6. Species Opisthognathus fasciatum Longley & Hildebrand, 1940 accepted as Opistognathus macrognathus Poey, 1860
7. Species Opisthognathus hongkongiensis Chan, 1968 accepted as Opistognathus hongkongiensis Chan, 1968 (misspelling)
8. Species Opisthognathus inornatus Ramsay & Ogilby, 1887 accepted as Opistognathus inornatus Ramsay & Ogilby, 1887 (misspelling)
9. Species Opisthognathus jacksoniensis MacLeay, 1881 accepted as Opistognathus jacksoniensis MacLeay, 1881 (misspelling)
10. Species Opisthognathus lonchurus Jordan & Gilbert, 1882 accepted as Opistognathus lonchurus Jordan & Gilbert, 1882 (misspelling)
11. Species Opisthognathus macrolepis Peters, 1866 accepted as Opistognathus macrolepis Peters, 1866 (misspelling)
12. Species Opisthognathus macrops Poey, 1860 accepted as Opistognathus macrognathus Poey, 1860
13. Species Opisthognathus macrostomus Smith, 1935 accepted as Opistognathus nigromarginatus Rüppell, 1830
14. Species Opisthognathus maxillosus Poey, 1860 accepted as Opistognathus maxillosus Poey, 1860 (misspelling)
15. Species Opisthognathus megastoma Günther, 1860 accepted as Opistognathus macrognathus Poey, 1860
16. Species Opisthognathus micrognathus Poey, 1860 accepted as Lonchopisthus micrognathus (Poey, 1860)
17. Species Opisthognathus muscatensis Boulenger, 1888 accepted as Opistognathus muscatensis Boulenger, 1888 (misspelling)
18. Species Opisthognathus nigromarginatus Rüppell, 1830 accepted as Opistognathus nigromarginatus Rüppell, 1830 (misspelling)
19. Species Opisthognathus ocellatus Ehrenberg, 1836 accepted as Opistognathus nigromarginatus Rüppell, 1830 (misspelling)
20. Species Opisthognathus papuensis Bleeker, 1868 accepted as Opistognathus papuensis Bleeker, 1868 (misspelling)
21. Species Opisthognathus punctatus Peters, 1869 accepted as Opistognathus punctatus Peters, 1869 (misspelling)
22. Species Opisthognathus reticulata (McKay, 1969) accepted as Opistognathus reticulatus (McKay, 1969) (misspelling)
23. Species Opisthognathus rhomaleus Jordan & Gilbert, 1882 accepted as Opistognathus rhomaleus Jordan & Gilbert, 1882 (misspelling)
24. Species Opisthognathus rosenbergi Bleeker, 1856 accepted as Opistognathus rosenbergii Bleeker, 1856 (misspelling)
25. Species Opisthognathus scaphiurus Goode & Bean, 1882 accepted as Opistognathus macrognathus Poey, 1860 (unaccepted > misspelling - incorrect subsequent spelling)
26. Species Opisthognathus sonneratii Valenciennes, 1836 accepted as Opistognathus nigromarginatus Rüppell, 1830 (misspelling)
27. Species Opisthognathus suluensis Herre, 1933 accepted as Opistognathus castelnaui Bleeker, 1860
28. Species Opisthognathus versluysi Weber, 1913 accepted as Stalix versluysi (Weber, 1913)
29. Species Opisthognathus whitehursti (Longley, 1927) accepted as Opistognathus whitehursti (Longley, 1927) (misspelling)
30. Species Opisthognathus whitehurstii (Longley, 1927) accepted as Opistognathus whitehursti (Longley, 1927) (misspelling)

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