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<small> Beyrich 1845</small> (syn. of Sphaerexochus calvus<small> Mc Coy 1846) </small>. Similar and related genus is Pseudosphaerexochus.
Species
- Sphaerexochus arenosis <small> Chatterton and Ludvigsen 1977</small>
- Sphaerexochus arenosus <small> Chatterton and Ludvigsen 1976</small>
- Sphaerexochus atacius <small> Ludvigsen 1979</small>
- Sphaerexochus brandlyi <small> Chatterton and Perry 1984</small>
- Sphaerexochus bridgei <small> Cooper and Kindle 1936</small>
- Sphaerexochus britanicus <small> Dean 1971</small>
- Sphaerexochus calvus <small> Mc Coy 1846</small>
- Sphaerexochus dimorphus <small> Whittington and Evitt 1953</small>
- Sphaerexochus eurys <small> Tripp 1962</small>
- Sphaerexochus fibrisulcatus <small> Lu 1975</small>
- Sphaerexochus glaber <small> Holloway 1980</small>
- Sphaerexochus hapsidotus <small> Whittington and Evitt 1953</small>
- Sphaerexochus hiratai <small> Kobayashi and Hamada 1964</small>
- Sphaerexochus hisingeri <small> Warburg 1925</small>
- Sphaerexochus johnstoni <small> Chatterton and Perry 1984</small>
- Sphaerexochus laciniatus <small> Lindström 1885</small>
- Sphaerexochus latifrons <small> Angelin 1854</small>
- Sphaerexochus molongloensis <small> Chatterton and Campbell 1980</small>
- Sphaerexochus parvus <small> Billings 1865</small>
- Sphaerexochus pulcher <small> Whittington and Evitt 1953</small>
- Sphaerexochus romingeri <small> Hall 1868</small>
- Sphaerexochus scabridus <small> Angelin 1854</small>
- Sphaerexochus tuberculatus <small> Warburg 1925</small>
- Sphaerexochus valcourensis <small> Shaw and Bolton 2011</small>
References