Cretaceous Period Cretaceous
https://en.wikipedia.org/wiki/Cretaceous Pleistocene The Pleistocene (pronunciation: /ˈplaɪstəˌsi¢°n, -toʊ-/[1]) 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.
https://en.wikipedia.org/wiki/Pleistocene Timelines
On the Museum's website you can move through the scenes to learn more about these animals and the ecosystems in which they lived...
amnh.org/exhibitions/Fossil_Halls/Timel... The Pleistocene Epoch
This mammoth (right), found in deposits in Russia, was one of the largest land mammals of the Pleistocene, the time period that spanned from 2.6 million to 11,700 years ago.
ucmp.berkeley.edu/quaternary/pleistocen... Prehistoric Time Line
Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history. A lot has happened in that time.
science.nationalgeographic.com/science/preh... Geology Entrance
A summary of geology and geological time.
ucmp.berkeley.edu/exhibit/geology.html UCMP Web Time Machine
Geological time.
ucmp.berkeley.edu/help/timeform.html Geologic Time
Learn about the geologic periods such as Cenozoic Era Mesozoic Era Paleozoic Era Precambrian or Cryptozoic Eon
cotf.edu/ete/modules/msese/earthsysflr/... Last glacial period Learn about how, what and why of the Ice Age.
https://en.wikipedia.org/wiki/Last_glacial_period Geologic Timelines The geological time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time, and is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth’s history.
https://en.wikipedia.org/wiki/Geologic_time_scale