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1147
Holocene Epoch
.The Holocene is the current geological epoch. -
1455
Cretaceous Epoch
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period 145 million years ago (mya) to the beginning of the Paleogene Period 66 mya. It is the last period of the Mesozoic Era, and the longest period of the Phanerozoic Eon. -
Pleistocene Epoch
The Pleistocene is the geological epoch which lasted from about 2,588,000 to 11,700 years ago, spanning the world's most recent period of repeated glaciations. -
Jurassic Epoch
The Jurassic was a geologic period and system that spanned 56 million years from the end of the Triassic Period 201.3 million years ago (Mya) to the beginning of the Cretaceous Period 145 Mya. -
Triassic Epoch
The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period 201.3 Mya. -
Permian Epoch
The Permian is a geologic period and system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago, to the beginning of the Triassic period 251.902 Mya. -
Pennsylvanian Epoch
The Pennsylvanian is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period. -
Mississippian Epoch
The Mississippian is a subperiod in the geologic timescale or a subsystem of the geologic record. -
Devonian Epoch
The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian. -
Silurian Epoch
The Silurian was a time when the Earth underwent considerable changes that had important repercussions for the environment and life within it. -
Ordovician Epoch
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.2 million years from the end of the Cambrian Period 485.4 million years ago (Mya) to the start of the Silurian Period 443.8 Mya. -
Pliocene Epoch
The Pliocene aEpoch is the epoch in the geologic timescale that extends from 5.333 million to 2.58 million years BP. -
Cambrian Epoch
The Cambrian Period was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. -
Miocene Epoch
The Miocene is the first geological epoch of the Neogene Period and extends from about 23.03 to 5.333 million years ago the Greek words μείων and καινός and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. -
Eocene Epoch
Eocene Epoch, second of three major worldwide divisions of the Paleogene Period (66 million to 23 million years ago) that began 56 million years ago and ended 33.9 million years ago. -
Paleocene Epoch
The Paleocene,is a geological epoch that lasted from about 66 to 56 million years ago. It is the first epoch of the Paleogene Period in the modern Cenozoic Era.
