Genus
Spinaechmina Schallreuter, 1984
List of species
1. Spinaechmina keitumensis Schallreuter, 1984 | Upper Ordovician
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Order | Beyrichicopida |
| Suborder | Binodicopa |
| Superfamily | Aechminacea |
| Family | Aechminidae |
| Armaechmina | |
| Genus | Aechmina |
| Crescentilla | |
| Delosia | |
| Pseudulrichia | |
| Spinaechmina | |
| Species | keitumensis |