Genus
Ullerella Henningsmoen, 1950
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Palaeocopa | |
| Family | Ctenonotellidae |
| Subfamily | Ctenonotellinae |
| Genus | Asteusloffia |
| Ctenentoma | |
| Ctenonotella | |
| Ullerella | |
| Species | holtedahli |
| triplicata | |
| ulli | |
| ventroplicata |