| Suborder | Spirobolidea
Cook, 1895
| 2
62
1328 | Families
Genera
Species |
| Suborder | Trigoniulidea
Brölemann, 1913
| 2
90
1161 | Families
Genera
Species |
| Family | Allopocockiidae
Keeton, 1960
| 5
15 | Genera
Species |
| Family | Anthracojulidae ♰
Hoffman, 1969
| 1
1 | Genus
Species |
| Family | Atopetholidae
Chamberlin, 1918
| 20
100 | Genera
Species |
| Family | Floridobolidae
Keeton, 1959
| 1
3 | Genus
Species |
| Family | Gaspestriidae ♰
Wilson, 2006
| 2
2 | Genera
Species |
| Family | Hoffmanobolidae
Shelley, 2001
| 1
1 | Genus
Species |
| Family | Messicobolidae
Loomis, 1968
| 3
40 | Genera
Species |
| Family | Nyraniidae ♰
Hoffman, 1969
| 1
2 | Genus
Species |
| Family | Onychelidae
Verhoeff, 1938 ⇒ Atopetholidae
| 0
0 | Genera
Species |
| Family | Plagiascetidae ♰
Hoffman, 1969
| 1
1 | Genus
Species |
| Family | Pseudospirobolellidae
Brölemann, 1913
| 8
29 | Genera
Species |
| Family | Rhinocrocidae ⇒ Rhinocricidae
| 0
0 | Genera
Species |
| Family | Spirobolidae
Bollman, 1893
| 14
366 | Genera
Species |
| Family | Typhlobolellidae
Hoffman, 1969
| 4
7 | Genera
Species |
| Family | Xyloiulidae ♰
Cook, 1895
| 3
22 | Genera
Species |
| Genus | Amblybolus
Keeton, 1964
| 2 | Species |
| Genus | Banosolus
Wang, 1951
| 1 | Species |
| Genus | Barroxenus
Chamberlin, 1940
| 1 | Species |
| Genus | Polyxenella
Rajulu, 1963
| 1 | Species |
| Genus | Tonkouibolus
Demange & Mauriès, 1975
| 2 | Species |
