Genus
Opisthoplax Kummerow, 1943
List of species
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Beyrichicopida |
| Myodocopida | |
| Genus | Ceratocypris |
| Eoprimitia | |
| Hastatellina | |
| Hesslandites | |
| Jonesina | |
| Limbinaria | |
| Myota | |
| Netzkaina | |
| Ningulella | |
| Opisthoplax | |
| Species | compressa |
| Genus | Pariconchoprimitia |
| Pritziera | |
| Signakiella | |
| Vattenfallia | |
| Vauscripta |