Sphaerexochus
Sphaerexochus is a genus of trilobites from the Middle Ordovician to Late Silurian of Asia, Australia, Europe, and North America.
The type species of the genus is Sphaerexochus mirus Beyrich 1845 . Similar and related genus is Pseudosphaerexochus.
Species
Sphaerexochus arenosis Chatterton and Ludvigsen 1977Sphaerexochus arenosus Chatterton and Ludvigsen 1976Sphaerexochus atacius Ludvigsen 1979Sphaerexochus brandlyi Chatterton and Perry 1984Sphaerexochus bridgei Cooper and Kindle 1936Sphaerexochus britanicus Dean 1971Sphaerexochus calvus Mc Coy 1846Sphaerexochus dimorphus Whittington and Evitt 1953Sphaerexochus eurys Tripp 1962Sphaerexochus fibrisulcatus Lu 1975Sphaerexochus glaber Holloway 1980Sphaerexochus hapsidotus Whittington and Evitt 1953Sphaerexochus hiratai Kobayashi and Hamada 1964Sphaerexochus hisingeri Warburg 1925Sphaerexochus johnstoni Chatterton and Perry 1984Sphaerexochus laciniatus Lindström 1885Sphaerexochus latifrons Angelin 1854Sphaerexochus molongloensis Chatterton and Campbell 1980Sphaerexochus parvus Billings 1865Sphaerexochus pulcher Whittington and Evitt 1953Sphaerexochus romingeri Hall 1868Sphaerexochus scabridus Angelin 1854Sphaerexochus tuberculatus Warburg 1925Sphaerexochus valcourensis Shaw and Bolton 2011