| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Animalia Linnaeus, 1758 - animals |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 |
| subdivisio | Protostomia Grobben, 1908 - protostomes |
| phylum | Rotifera Cuvier, 1817 - rotifers |
| class | Monogononta Plate, 1889 |
| superorder | Pseudotrocha Kutikova, 1970 |
| order | Ploima Hudson & Gosse, 1886 |
| family | Synchaetidae Hudson & Gosse, 1886 |
| genus | Ploesoma Herrick, 1885 |
| species | Ploesoma hudsoni (Imhof, 1891) |