Ussuniidae
| Ussuniidae Temporal range:  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Brachiopoda | 
| Class: | Craniata | 
| Order: | †Trimerellida | 
| Superfamily: | †Trimerelloidea | 
| Family: | †Ussuniidae | 
| Genera | |
| Ussunia | |
Ussuniidae is a monogeneric family of Ordovician brachiopods aligned with the Trimerellids, but showing additional similarities to the craniids and considered intermediate in morphology.