Chengjiangaspis fossil map
Where fossils of Chengjiangaspis have been found, shown on the Earth as it looked about 525 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 525 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 | Ediacaran & Cambrian life |
|---|---|
| Lived | 521–514.5 million years ago (Stage 3) |
| Periods | Cambrian |
| Family | Redlichiidae |
| Named by | Zhang et al. 1980 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | China |
| Rock formations | Qiongzhusi, Hongjingshao |
About Chengjiangaspis
Chengjiangaspis chengjiangensis is an extinct redlichiid trilobite that lived during the early part of the Botomian stage, of the Early Cambrian period, which has lasted approximately 524 to 518.5 million years. It is a rare fossil found in strata just above the Maotianshan Shale, where the Chengjiang Biota are found.
Text in “About” is quoted from the Wikipedia article Chengjiangaspis (revision 1321865839), 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: Q16956494.