# bioevent

> event recognised in a sequence of sedimentary rocks, where there is a significant change in the biota as recorded by assemblages of fossils over a relatively short period of time

**Wikidata**: [Q4914809](https://www.wikidata.org/wiki/Q4914809)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bioevent)  
**Source**: https://4ort.xyz/entity/bioevent