Apr 27, 2023 · Date range: 145.0 million years ago–66.0 million years ago; Length: 79 million years (1.7% of geologic time) Geologic calendar: December 20 (12 Noon)–December 26 (6 …

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Oct 5, 2021 · Geologic time scale showing the geologic eons, eras, periods, epochs, and associated dates in millions of years ago (MYA).

The Jurassic (/ dʒ ʊ ˈ r æ s ɪ k / juurr-ASS-ik [2]) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.4 million years ago (Mya) to the beginning of …

Zoom in and click on the different formations to get detailed descriptions. Note that green shades indicate Cretaceous formations. Paper geological maps of Texas can be purchased at the …

Apr 27, 2023 · Brachiosaurus lived from 150 to 145 million years ago. Some consider the predators that preyed on these giants to be even more spectacular. For example, …

Apr 9, 2014 · The Jurassic is a geologic period and system that extends from 201.3± 0.6 Ma (million years ago) to 145± 4 Ma; from the end of the Triassic to the beginning of the …

145 Map of the Earth ~66 million years ago (Late Cretaceous - just before the mass extinction in which dinosaurs became extinct) Map of the Earth ~94 million years ago (Late Cretaceous)

Jurassic Period (±201.3 to ±145.0 mya): dinosaurs dominant; flying reptiles; on land cycads, conifers and ginkgoes are dominant plants; the maps at the left show North America, Europe …