The Class Actinopterygii contains these Orders:

• 16. Polypteriformes [bichirs]
• 17. Acipenseriformes [sturgeons]
• 18. Semionotiformes [gars]
• 19. Amiiformes [bowfins]
• 20. Osteoglossiformes [bonytongues]
• 21. Elopiformes [elopiforms]
• 22. Albuliformes [albuliforms]
• 23. Anguilliformes [anguilliform eels]
• 24. Saccopharyngiformes [swallowers]
• 25. Clupeiformes [herrings]
• 26. Gonorynchiformes [gonorynchiforms]
• 27. Cypriniformes [minnows]
• 28. Characiformes [characiforms]
• 29. Siluriformes [catfishes]
• 30. Gymnotiformes [knifefishes]
• 31. Esociformes [pikes]
• 32. Osmeriformes [smelts]
• 33. Salmoniformes [salmon]
• 34. Stomiiformes [stomiiforms]
• 35. Ateleopodiformes [jellynose fishes]
• 36. Aulopiformes [aulopiforms]
• 37. Myctophiformes [myctophiforms]
• 38. Lampridiformes [lampridiforms]
• 39. Polymixiiformes [beardfishes]
• 40. Percopsiformes [trout-perches]
• 41. Ophidiiformes [ophidiform eels]
• 42. Gadiformes [cods]
• 43. Batrachoidiformes [toadfishes]
• 44. Lophiiformes [anglerfishes]
• 45. Mugiliformes [mullets]
• 46. Atheriniformes [silversides]
• 47. Beloniformes [beloniforms]
• 48. Cyprinodontiformes [killifishes]
• 49. Stephanoberyciformes [stephanoberyciforms]
• 50. Beryciformes [beryciforms]
• 51. Zeiformes [dories]
• 52. Gasterosteiformes [sticklebacks]
• 53. Synbranchiformes [swamp eels]
• 54. Scorpaeniformes [rockfishes]
• 55. Perciformes [perch-like fishes]
• 56. Pleuronectiformes [flatfishes]
• 57. Tetraodontiformes [boxfishes]