| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| Animalia | Tardigrada | Heterotardigrada | Arthrotardigrada | Stygarctidae |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| species | Stygarctus abornatus McKirdy, Schmidt & McGinty-Bayly, 1976 | accepted |
| species | Stygarctus ayatori Fujimoto, 2014 | accepted |
| species | Stygarctus bradypus Schulz, 1951 | accepted |
| species | Stygarctus gourbaultae Renaud-Mornant, 1981 | accepted |
| species | Stygarctus granulatus Pollock, 1970 | accepted |
| species | Stygarctus lambertii Grimaldi de Zio, D'Addabbo Gallo, Morone De Lucia & Daddabbo, 1987 | accepted |
| species | Stygarctus spinifer Hiruta, 1985 | accepted |
Stygarctus Schulz, 1951. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-12.