Mesozoic
= Mesozoic
{c}
The <Mesozoic> is the geological era from about 251.902 to 66.00 million years ago. It contains the <Triassic>, <Jurassic> and <Cretaceous> periods and precedes the <Cenozoic>. The chart gives uncertainty on the older numerical boundary.<International Chronostratigraphic Chart by International Commission on Stratigraphy (2026-06)>[Cenozoic and Mesozoic columns; numerical ages in Ma]{ref}