Sphaerexochus
Sign in to saveSphaerexochus 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.
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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.
Excerpted from Wikipedia’s “Sphaerexochus” article, available under the CC BY-SA 4.0 licence.