Radiaspis fossil map
Where fossils of Radiaspis have been found, shown on the Earth as it looked about 420 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 420 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Trilobites & sea scorpions |
|---|---|
| Lived | 452.8–385.9 million years ago (Katian to Givetian) |
| Periods | Ordovician, Silurian, Devonian |
| Family | Odontopleuridae |
| Named by | Richter and Richter 1917 |
| Fossil records | 31 occurrences at 22 locations (PBDB) |
| Found in | Canada, Czech Republic, Spain, Belgium, Australia, France, United States, Germany |
| Rock formations | Cape Phillips, Delorme, Pozary, Cystoid Limestone, Hanonet, txn:56895 |
About Radiaspis
Radiaspis is a genus of trilobite that lived from Late Ordovician through the Silurian to the mid-Devonian period. Fossils of Radiaspis have been found in present-day Europe, Australia, North Africa, and North America.
Text in “About” is quoted from the Wikipedia article Radiaspis (revision 1340316980), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q134419341.
