| Sphaerexochus Temporal range: Middle Ordovician to Late Silurian |
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Phacopida |
| Family: | Cheiruridae |
| Genus: | Sphaerexochus |
Sphaerexochus is a genus of trilobite from the Middle Ordovician to Late Silurian of Asia, Australia, Europe, and North America.