| Valid name | Gymnothorax |
| Synonym | Gender: M; Naturgesch. ausl. Fische, 9: 83 |
| Synonym | Gymnothorax Bloch, 1795, |
| Synonym | Verdiithorax Richardson, 1844, by orig. design.). |
| Synonym | Aemasia Jordan and Snyder, 1901, by monotypy). |
| Synonym | Ahynnodontophis Fowler, 1912, by orig. design.). |
| Synonym | Type: G. reticularis Bloch, 1795, by subs. design. of Bleeker, 1865, and Opin. Intern. Com. Zool. Nom., Smithson. misc. C |
| Synonym | Eurymyctera Kaup, 1856, Cat. Apod. Fish.: 72 (type: E. crudelis Kaup, 1856, by monotypy). |
| Synonym | Polyuranodon Kaup, 1856, Cat. Apod. Fish.: 96 (type: Muraena polyuranodon Bleeker, 1853, by orig. design.). |
| Synonym | Pseudomuraena Johnson, 1862a, Proc. zool. Soc. Lond.:167 (type: P. maderensis Johnson, 1862, by monotypy). |
| Synonym | Lycodontis McClelland, 1844, Gender: M; J. nat. Hist. Calcutta, 5: 173 (type: L. Iiterata McClelland, 1844, by sub |
| Synonym | Thaerodontis McClelland, 1844, J. nat. Hist. Calcutta, 5: 174 (type: T. reticulata Mclelland, 1844, by monotypy). |
| Synonym | Neomuraena Girard, 1858, Proc. Acad. nat. Sci. Philad., 10: 171 (type: N. nigromarginata Girard, 1858, by monotypy |
| Synonym | Priodonophis Kaup, 1860, Abh. naturw. Ver. Hamburg, 1859 (1860), 4, 2: 22 (type: Gymnothorax ocellatus Agassiz, 18 |
| Synonym | Taedophis Kaup, 1860, Abh. naturw. Ver. Hamburg., 1859 (1860), 4 (2): 1 (type: T. westphali Kaup, 1860, by subs. d |