Ampyx fossil map
Where fossils of Ampyx 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 | 486.85–419.62 million years ago (Tremadocian to Pridoli) |
| Periods | Ordovician, Silurian |
| Family | Raphiophoridae |
| Named by | (Dalman 1827) |
| Fossil records | 244 occurrences at 159 locations (PBDB) |
| Found in | Sweden, United States, China, United Kingdom, Ireland, Morocco, Argentina, Canada, Norway, France … |
| Rock formations | txn:124265, Edinburg, Holen, Upper Fezouata, Campile, Valhallfonna |
About Ampyx
Ampyx is an Ordovician-Silurian genus of Asaphid trilobites of the family Raphiophoridae. Species of Ampyx are characterized by three extended spines on the head-shield, one spine derived from each free cheek, and one spine emanating from the glabellum. Species include Ampyx linleyensis (Lanvirn-Caradoc series).
Species of Ampyx grew to an average length of 1.5 inches (3.8 cm).
Text in “About” is quoted from the Wikipedia article Ampyx (trilobite) (revision 1369334709), 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: Q4748579.
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