South American Land Mammal Ages

The interval definitions in this timescale are derived from the following sources:

  • F. J. Prevosti, C. O. Romano, A. M. Forasiepi, S. Hemming, R. Bonini, A. M. Candela, E. Cerdeño, M. C. Madozzo Jaén, P. E. Ortiz, F. Pujos, L. Rasia, G. I. Schmidt, M. Taglioretti, R. D. E. MacPhee, and U. F. J. Pardiñas. 2021. New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 2021(11):9830 view
  • J. J. Flynn and C. C. Swisher, III. 1995. Cenozoic South American Land Mammal Ages: correlation to global geochronology. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54:317-333 view

There are 18 timescales which overlap this one. show

Interval names marked with † are no longer in current use.

This timescale is used in the definition of 1191 collections

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International Chronostratigraphic TimescaleSouth American Land Mammal Ages
QuaternaryPleistoceneLate PleistoceneLujanian0.0117
Chibanian0.129
Ensenadan0.4
Calabrian0.774
SanandresianUquian †1.75
Gelasian1.8
NeogenePliocenePiacenzianVorohuean2.58
Chapadmalalan3
Zanclean3.6
Montehermosan3.8
Huayquerian5
MioceneMessinian5.333
Tortonian7.246
Chasicoan8
Mayoan10
Laventan11
Serravallian11.63
Colloncuran13.8
Langhian13.82
Friasian15.5
Burdigalian15.98
Santacrucian16.3
Colhuehuapian17.5
Aquitanian20.45
Deseadan21
PaleogeneOligoceneChattian23.04
Rupelian27.3
Tinguirirican29
EocenePriabonian33.9
Divisaderan36
Bartonian37.71
Lutetian41.03
Mustersan42
Casamayoran48
Ypresian48.07
PaleoceneThanetianRiochican56
Itaboraian57
Peligran59
Selandian59.24
Danian61.66
Tiupampan62.5
66