| Symmoriidae Temporal range: Devonian to Carboniferous,   | |
|---|---|
|   | |
| Symmorium . | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Chondrichthyes | 
| Order: | † Symmoriiformes | 
| Family: | † Symmoriidae  Dean, 1909  | 
| Genera | |
Symmoriidae is an extinct family of cartilaginous fish belonging to the order Symmoriiformes. [1] Members of the family are known from the Devonian and Carboniferous periods. [2]