Category:Early Cretaceous first appearances

This category includes biological taxa of rank more inclusive than genus that evolved during the Early Cretaceous epoch of geologic time, between 145 and 100.5 million years ago, as well as genera and species that evolved during this time and persisted across multiple geological epochs.

Preceded by Proterozoic Eon	Phanerozoic Eon
	Paleozoic Era						Mesozoic Era			Cenozoic Era
	Cambrian	Ordovician	Silurian	Devonian	Carboniferous	Permian	Triassic	Jurassic	Cretaceous	Paleogene	Neogene	4ry

Cretaceous Period
Lower/Early Cretaceous	Upper/Late Cretaceous
Berriasian \| Valanginian \| Hauterivian Barremian\| Aptian \| Albian	Cenomanian \| Turonian \| Coniacian Santonian \|Campanian \| Maastrichtian

Pages in category "Early Cretaceous first appearances"

The following 11 pages are in this category, out of 11 total.