Category:Chattian extinctions
{{Portal|Biology|Geology}}
Biological taxa that went extinct during the {{C|Chattian|Chattian age}} , the geologic time between 28.1 and 23 million years ago, during the Late {{C|Oligocene|Oligocene Epoch}} of the Paleogene Period.
{{geological category see also}}
{{See also|Category: Chattian first appearances}}