:Category:Extant Chattian first appearances
{{Commons category|Extant Chattian first appearances}}
{{Portal|Prehistoric life}}
{{C|Extant Cenozoic first appearances|Extant first appearances of biota}} during the {{C|Chattian|Chattian Age}}.
Currently extant/living (not extinct) taxa (orders, families, genera, species) that first appeared in the geologic time between 28.1 and 23 million million years ago, the Chattian age during the {{C|Paleocene|Paleocene Epoch}} of the {{C|Paleogene|Paleogene Period}}, in the Cenozoic Era.
{{geological category see also}}