Currently valid spider genera and species (2020-12-29)
| Number | Family | Genera | Species |
|---|---|---|---|
| 1. | Actinopodidae | 3 | 115 |
| 2. | Agelenidae | 90 | 1342 |
| 3. | Amaurobiidae | 49 | 275 |
| 4. | Ammoxenidae | 4 | 18 |
| 5. | Anamidae | 10 | 109 |
| 6. | Anapidae | 58 | 233 |
| 7. | Antrodiaetidae | 4 | 37 |
| 8. | Anyphaenidae | 56 | 575 |
| 9. | Araneidae | 177 | 3059 |
| 10. | Archaeidae | 5 | 90 |
| 11. | Arkyidae | 2 | 38 |
| 12. | Atracidae | 3 | 35 |
| 13. | Atypidae | 3 | 54 |
| 14. | Austrochilidae | 3 | 10 |
| 15. | Barychelidae | 40 | 282 |
| 16. | Bemmeridae | 4 | 47 |
| 17. | Caponiidae | 19 | 124 |
| 18. | Cheiracanthiidae | 14 | 362 |
| 19. | Cithaeronidae | 2 | 9 |
| 20. | Clubionidae | 15 | 639 |
| 21. | Corinnidae | 70 | 795 |
| 22. | Ctenidae | 49 | 524 |
| 23. | Ctenizidae | 2 | 5 |
| 24. | Cyatholipidae | 23 | 58 |
| 25. | Cybaeidae | 20 | 268 |
| 26. | Cycloctenidae | 8 | 80 |
| 27. | Cyrtaucheniidae | 8 | 107 |
| 28. | Deinopidae | 3 | 67 |
| 29. | Desidae | 60 | 296 |
| 30. | Dictynidae | 52 | 470 |
| 31. | Diguetidae | 2 | 15 |
| 32. | Dipluridae | 7 | 92 |
| 33. | Drymusidae | 2 | 17 |
| 34. | Dysderidae | 25 | 578 |
| 35. | Entypesidae | 3 | 37 |
| 36. | Eresidae | 9 | 101 |
| 37. | Euagridae | 13 | 86 |
| 38. | Euctenizidae | 8 | 77 |
| 39. | Filistatidae | 19 | 183 |
| 40. | Gallieniellidae | 10 | 68 |
| 41. | Gnaphosidae | 162 | 2549 |
| 42. | Gradungulidae | 7 | 16 |
| 43. | Hahniidae | 24 | 353 |
| 44. | Halonoproctidae | 6 | 93 |
| 45. | Hersiliidae | 16 | 182 |
| 46. | Hexathelidae | 7 | 45 |
| 47. | Hexurellidae | 1 | 4 |
| 48. | Homalonychidae | 1 | 3 |
| 49. | Huttoniidae | 1 | 1 |
| 50. | Hypochilidae | 2 | 14 |
| 51. | Idiopidae | 23 | 414 |
| 52. | Ischnothelidae | 5 | 26 |
| 53. | Lamponidae | 23 | 192 |
| 54. | Leptonetidae | 22 | 363 |
| 55. | Linyphiidae | 619 | 4672 |
| 56. | Liocranidae | 33 | 290 |
| 57. | Liphistiidae | 8 | 138 |
| 58. | Lycosidae | 124 | 2430 |
| 59. | Macrothelidae | 1 | 38 |
| 60. | Malkaridae | 13 | 57 |
| 61. | Mecicobothriidae | 1 | 2 |
| 62. | Mecysmaucheniidae | 7 | 25 |
| 63. | Megadictynidae | 2 | 2 |
| 64. | Megahexuridae | 1 | 1 |
| 65. | Microhexuridae | 1 | 2 |
| 66. | Microstigmatidae | 12 | 41 |
| 67. | Migidae | 11 | 102 |
| 68. | Mimetidae | 8 | 154 |
| 69. | Miturgidae | 29 | 140 |
| 70. | Myrmecicultoridae | 1 | 1 |
| 71. | Mysmenidae | 14 | 158 |
| 72. | Nemesiidae | 22 | 184 |
| 73. | Nesticidae | 16 | 279 |
| 74. | Nicodamidae | 7 | 27 |
| 75. | Ochyroceratidae | 10 | 166 |
| 76. | Oecobiidae | 6 | 120 |
| 77. | Oonopidae | 114 | 1872 |
| 78. | Orsolobidae | 30 | 188 |
| 79. | Oxyopidae | 9 | 438 |
| 80. | Pacullidae | 4 | 38 |
| 81. | Palpimanidae | 20 | 157 |
| 82. | Paratropididae | 4 | 16 |
| 83. | Penestomidae | 1 | 9 |
| 84. | Periegopidae | 1 | 3 |
| 85. | Philodromidae | 31 | 536 |
| 86. | Pholcidae | 94 | 1812 |
| 87. | Phrurolithidae | 15 | 247 |
| 88. | Physoglenidae | 13 | 72 |
| 89. | Phyxelididae | 14 | 66 |
| 90. | Pimoidae | 4 | 53 |
| 91. | Pisauridae | 51 | 353 |
| 92. | Plectreuridae | 2 | 31 |
| 93. | Porrhothelidae | 1 | 5 |
| 94. | Psechridae | 2 | 61 |
| 95. | Psilodercidae | 11 | 224 |
| 96. | Pycnothelidae | 7 | 83 |
| 97. | Salticidae | 652 | 6287 |
| 98. | Scytodidae | 5 | 246 |
| 99. | Segestriidae | 4 | 136 |
| 100. | Selenopidae | 9 | 260 |
| 101. | Senoculidae | 1 | 31 |
| 102. | Sicariidae | 3 | 169 |
| 103. | Sparassidae | 87 | 1256 |
| 104. | Stasimopidae | 1 | 47 |
| 105. | Stenochilidae | 2 | 13 |
| 106. | Stiphidiidae | 20 | 125 |
| 107. | Symphytognathidae | 8 | 87 |
| 108. | Synaphridae | 3 | 13 |
| 109. | Synotaxidae | 1 | 11 |
| 110. | Telemidae | 14 | 97 |
| 111. | Tetrablemmidae | 27 | 145 |
| 112. | Tetragnathidae | 50 | 986 |
| 113. | Theraphosidae | 151 | 1003 |
| 114. | Theridiidae | 124 | 2510 |
| 115. | Theridiosomatidae | 19 | 133 |
| 116. | Thomisidae | 169 | 2150 |
| 117. | Titanoecidae | 5 | 55 |
| 118. | Toxopidae | 14 | 82 |
| 119. | Trachelidae | 19 | 247 |
| 120. | Trechaleidae | 17 | 131 |
| 121. | Trochanteriidae | 21 | 171 |
| 122. | Trogloraptoridae | 1 | 1 |
| 123. | Udubidae | 4 | 15 |
| 124. | Uloboridae | 19 | 287 |
| 125. | Viridasiidae | 2 | 7 |
| 126. | Xenoctenidae | 4 | 33 |
| 127. | Zodariidae | 87 | 1175 |
| 128. | Zoropsidae | 27 | 183 |
| Total | 4198 | 49017 |