Genus
Gongylostonyx Siveter, 1980
List of species
1. Gongylostonyx minodus Schallreuter, 2000 | Silurian
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Order | Beyrichicopida |
| Suborder | Palaeocopa |
| Superfamily | Beyrichioidea |
| Family | Craspedobolbinidae |
| Subfamily | Amphitoxotidinae |
| Craspedobolbininae | |
| Genus | Ampirulum |
| Gongylostonyx | |
| Species | minodus |
| Genus | Kolednikella |