Species
Ullerella holtedahli (Dons, 1949)
Synonymy list
1949     Ullia holtedahli Dons sp.n. — Dons & Henningsmoen , pp. 29, fig. Pl. 1: 5-8
1953     Ullerella holtedahli (Dons, 1949) — Henningsmoen , pp. 48, fig. Pl. 1:12
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 |