Gateway to the Paleobiology Database

Wang et al. Ordovician Stages

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: global   Rank of each interval: age/stage

Basis of scale: paleontological  

Reference: X. Wang et al. 2009

Comments: Rhuddanian is not actually mentioned; entered to hold down 443.7 Ma date for the Ordovician-Silurian boundary

View another time scale