Sphaerexochus
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.
| Sphaerexochus Temporal range: Middle Ordovician to Late Silurian | |
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| Sphaerexochus mirus from Silurian | |
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| Genus: | Sphaerexochus Beyrich 1845 |
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
- Sphaerexochus arenosis Chatterton and Ludvigsen 1977
- Sphaerexochus arenosus Chatterton and Ludvigsen 1976
- Sphaerexochus atacius Ludvigsen 1979
- Sphaerexochus brandlyi Chatterton and Perry 1984
- Sphaerexochus bridgei Cooper and Kindle 1936
- Sphaerexochus britanicus Dean 1971
- Sphaerexochus calvus Mc Coy 1846
- Sphaerexochus dimorphus Whittington and Evitt 1953
- Sphaerexochus eurys Tripp 1962
- Sphaerexochus fibrisulcatus Lu 1975
- Sphaerexochus glaber Holloway 1980
- Sphaerexochus hapsidotus Whittington and Evitt 1953
- Sphaerexochus hiratai Kobayashi and Hamada 1964
- Sphaerexochus hisingeri Warburg 1925
- Sphaerexochus johnstoni Chatterton and Perry 1984
- Sphaerexochus laciniatus Lindström 1885
- Sphaerexochus latifrons Angelin 1854
- Sphaerexochus molongloensis Chatterton and Campbell 1980
- Sphaerexochus parvus Billings 1865
- Sphaerexochus pulcher Whittington and Evitt 1953
- Sphaerexochus romingeri Hall 1868
- Sphaerexochus scabridus Angelin 1854
- Sphaerexochus tuberculatus Warburg 1925
- Sphaerexochus valcourensis Shaw and Bolton 2011
Sources
- Fossils (Smithsonian Handbooks) by David Ward (Page 59)
- Sphaerexochus in the Paleobiology Database
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