Megalaspides fossil map
Where fossils of Megalaspides have been found, shown on the Earth as it looked about 470 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 470 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 | 486.85–449.5 million years ago (Tremadocian to Katian) |
| Periods | Ordovician |
| Family | Asaphidae |
| Named by | Brögger 1886 |
| Fossil records | 112 occurrences at 38 locations (PBDB) |
| Found in | China, Norway, Sweden, Russia, Iran, Estonia, United States |
| Rock formations | Tøyen, Meitan, txn:82596, Dawan, Leetse, Laozai |
About Megalaspides
Megalaspides is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago.
Text in “About” is quoted from the Wikipedia article Megalaspides (revision 1020420208), 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: Q6808416.
