50. Arcturian

49. Edosian

48. Excalbians

47. Caitian

46. Bolians

45. Lurian

44. Roylan

43. Mugato

42. Acamarians

41. Denobulans

40. Orions

39. Ocampans

38. Vidiians

37. Breen

36. Hunters

35. The Salt Vampire

34. Cheron

33. Nausicaans

32. Kazon

31. Metrons

30. Horta

29. Greek Gods

28. Hirogen

27. El-Aurians

26. Tellarites

25. Tamarians

24. Species 8472

23. The Gorn

22. Tholians

21. Talaxians

20. Organians

19. The Traveler

18. Crystalline Entity

17. Betazoid

16. Talosians

15. Vorta

14. Xindi

13. Trill

12. Tribbles

11. Jem’Hadar

10. Changeling

9. Andorians

8. Ferengi

7. Romulans

6. Q

5. Bajorans

4. Cardassians

3. Borg

2. Klingons

1. Vulcans