| Eocyphinium Temporal range:   | |
|---|---|
|   | |
| Eocyphinium seminiferum | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | † Trilobita | 
| Order: | † Proetida | 
| Family: | † Proetidae | 
| Genus: | † Eocyphinium  Reed, 1942  | 
Eocyphinium is an extinct genus of trilobite from the Carboniferous.