Sphaerexochus
From Wikipedia, the free encyclopedia
| Sphaerexochus Temporal range: Middle Ordovician to Late Silurian | |
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| Sphaerexochus mirus from Silurian | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Family: | †Cheiruridae |
| Genus: | †Sphaerexochus Beyrich, 1845 |
Sphaerexochus is a genus of trilobites from the Middle Ordovician to Late Silurian (468.1 to 418.7 Ma) of Asia, Australia, Europe, and North America.
The type species of the genus is Sphaerexochus mirus Beyrich 1845 (syn. of Sphaerexochus calvus Mc Coy 1846) . Similar and related genus is Pseudosphaerexochus.
