Genus
Gomphocystites Hall, 1864
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Diploporita | 
| Superfamily | Glyptosphaeritida | 
| Family | Gomphocystitidae | 
| Genus | Celticystis | 
| Gomphocystites | 
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Blastozoa | 
| Class | Diploporita | 
| Superfamily | Glyptosphaeritida | 
| Family | Gomphocystitidae | 
| Genus | Celticystis | 
| Gomphocystites |