bn:01335529n
Noun Concept
Categories: Mesozoic North America, Cenozoic North America, Cenozoic mammals of North America, Prehistoric mammals of North America, Regional geologic time scales
EN
North American land mammal age  NALMA  North American Land Mammal Ages
EN
The North American land mammal ages establishes a geologic timescale for North American fauna beginning during the Late Cretaceous and continuing through to the present. Wikipedia
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EN
The North American land mammal ages establishes a geologic timescale for North American fauna beginning during the Late Cretaceous and continuing through to the present. Wikipedia