1.4 - 0.21 Ma

The definition of this interval in the timescale North American Land Mammal Ages is taken from the following source:

• A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 view

There are intervals in 7 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Pleistocene epoch, Calabrian age, Chibanian age
• Cenozoic Subepochs: Early Pleistocene subepoch, Middle Pleistocene subepoch
• Cenozoic Subepochs of Southern Europe: Ionian subepoch
• Neogene Mammal Ages of China: Nihewanian age
• North American Mammal Subages/Zones: Cudahyan subage, Sappan subage
• South American Land Mammal Ages: Ensenadan age, Lujanian age
• Cretaceous-Cenozoic of New Zealand: Wanganui epoch, Haweran age, Castlecliffian age

This interval is used in the definition of 463 collections

A total of 2054 collections with 23326 occurrences lie within this time span