Genus
Olbia Pranskevichius, 1972
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Suborder | Metacopa |
| Superfamily | Thlipsuracea |
| Family | Thlipsuridae |
| Genus | Gotlandina |
| Octonaria | |
| Olbia | |
| Olbianella | |
| Scaldianella | |
| Simplicithlipsa | |
| Thlipsohealdia | |
| Thlipsura | |
| Thlipsurella | |
| Thlipsuritia | |
| unranked | Thlipsurellina |