Genus
Eurychilina Ulrich, 1889
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Platycopida |
| Suborder | Cytherelliformes |
| Superfamily | Leperditellacea |
| Family | Primitiidae |
| Genus | Ancora |
| Euprimitia | |
| Eurychilina | |
| Hallatia | |
| Halliella | |
| Haploprimitia | |
| Laccoprimitia | |
| Lavatiella | |
| Lilitia | |
| Neoprimitiella | |
| Neotsitrella | |
| Ochesaarina | |
| Paraprimitia | |
| Primitia | |
| Primitiella | |
| Tegea | |
| Tsitrella | |
| Vaiguva |