| Rank | Scientific name | Taxonomic status |
|---|---|---|
| family | Isolaimidae | accepted |
| family | Mermithidae | accepted |
| family | Tetradonematidae | accepted |
| unranked | BOLD:ABW1912 | accepted |
| unranked | BOLD:ABW1913 | accepted |
| unranked | BOLD:ABW1914 | accepted |
| unranked | BOLD:ABW1915 | accepted |
| unranked | BOLD:ABW1916 | accepted |
| unranked | BOLD:ABW1917 | accepted |
| unranked | BOLD:ABW1918 | accepted |
| unranked | BOLD:ABW1919 | accepted |
| unranked | BOLD:ABX2874 | accepted |
Mermithida. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-25.