Symmoriidae
Symmoriidae is an extinct family of holocephalians from the Devonian and Carboniferous periods.
| Symmoriidae Temporal range: Devonian to Carboniferous, | |
|---|---|
| Symmorium. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Holocephali |
| Order: | †Symmoriiformes |
| Family: | †Symmoriidae Dean, 1909 |
| Genera | |
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