Gateway to the Paleobiology Database

Frasnian and Famennian Subages

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: global   Rank of each interval: age/stage

Basis of scale: paleontological  

Reference: B. Kaufmann 2006

Comments: see Sandberg et al. 2003 for assignment of zones to subages; boundary values estimated from chart

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