Sphaerexochus

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Sphaerexochus
Temporal range: Middle Ordovician to Late Silurian
Cheiruridae - Sphaerexochus mirus.JPG
Sphaerexochus mirus from Silurian
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Sphaerexochus

Beyrich 1845

Sphaerexochus is a genus of trilobite 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 .

Species

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