Age of Mammals

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Related to Age of Mammals: Age of Reptiles
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Noun1.Age of mammals - approximately the last 63 million yearsAge of Mammals - approximately the last 63 million years
Phanerozoic, Phanerozoic aeon, Phanerozoic eon - the period from about 5,400 million years ago until the present
Age of Man, Quaternary, Quaternary period - last 2 million years
Tertiary, Tertiary period - from 63 million to 2 million years ago
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
This process began sometime during the Pleistocene Era--the so-called "Age of Mammals," which ended around 11,700 years ago--a time at which the number of species was proliferating into a vast array of biological "experiments." If a form of mammal could be dreamed up, paleontologists probably have found the remains of something like it.
In the most recent issue of the Journal of Vertebrate Paleontology, scientists describe a second specimen of Ernanodon that sheds new light on this curious beast from the dawn of the "Age of Mammals."
I learn this while seated in the Age of Mammals Hall, amongst small children and taxidermic mammals.