Species
Ullerella ulli (Dons, 1949)
Synonymy list
1949 Ullia ulli Dons sp. n. — Dons & Henningsmoen , pp. 28, fig. Figs. 1-4
1950 Ullerella ulli (Dons, 1949) — Henningsmoen , pp. 244
1953 Ullerella ulli (Dons, 1949) — Henningsmoen , pp. 48, fig. Pl. 1:11
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 | Ullerella |
| Species | holtedahli |
| triplicata | |
| ulli | |
| ventroplicata |