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The Friasian age is a period of geologic time (16.3—15.5 Ma) within the Miocene epoch of the Neogene used more specifically with South American Land Mammal Ages. It follows the Santacrucian and precedes the Colloncuran age.[1]


Neogene Period
Miocene Pliocene
Aquitanian |Burdigalian
Langhian | Serravallian
Tortonian | Messinian
Zanclean | Piacenzian