Category:Extant Cretaceous first appearances
{{Portal|Paleontology}}
{{C|Extant Mesozoic first appearances|Extant}} {{C|Cretaceous first appearances}}, the geologic time period between 100.5 and 66 million years ago.
Biological taxa that first appeared during the {{C|Cretaceous|Cretaceous Period}}, and have not yet gone extinct.
{{geological category see also}}