| Rank | Scientific name | Taxonomic status |
|---|---|---|
| class | Eutardigrada | accepted |
| class | Heterotardigrada | accepted |
| class | Mesotardigrada | accepted |
| genus | Alalcomenaeus Simonetta, 1970 | doubtful |
| genus | Cheloniellon Broili, 1932 | doubtful |
| genus | Habelia Walcott, 1912 | doubtful |
| genus | Odaraia Walcott, 1912 | doubtful |
| genus | Parastyarctus Renaud-Debyser, 1965 | doubtful |
| genus | Perspicaris Briggs, 1977 | doubtful |
| genus | Plenocaris Whittington, 1974 | doubtful |
| genus | Renaudaratus Kristensen & Higgins, 1984 | doubtful |
| genus | Sanctacaris Briggs & Collins, 1988 | doubtful |
| genus | Sarotrocercus Whittington, 1981 | doubtful |
| genus | Yohoia Walcott, 1912 | doubtful |
| unranked | BOLD:ACH4785 | accepted |
| unranked | BOLD:ACH4786 | accepted |
Tardigrada. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-11-13.
