Check-lists
* List of countries might not be complete
Links and literature
[1] Mergl M. (2014): Odontopleurid trilobites of the Katian/Hirnantian boundary interval in the Prague Basin (Bohemia), Bulletin of Geosciences 89(2), 401–412 [as Diacanthaspis cooperi Whittington, 1941]
Mergl M. (2014): Odontopleurid trilobites of the Katian/Hirnantian boundary interval in the Prague Basin (Bohemia), Bulletin of Geosciences 89(2), 401–412 [as Diacanthaspis cooperi Whittington, 1941]