Lysitean subage

54.9 - 50.5 Ma

The definition of this interval in the timescale North American Mammal Subages/Zones is taken from the following source:

  • M. O. Woodburne. 1987. A prospectus of the North American Mammal Ages. In: Woodburne, M. O. (ed.), Cenozoic Mammals of North America. University of California Press, Berkelery, CA 285-290 view

There are intervals in 8 timescales which overlap this one. show

This interval is used in the definition of 9 collections

A total of 3639 collections with 31037 occurrences lie within this time span

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International Chronostratigraphic TimescaleNorth American Mammal Subages/ZonesNorth American Land Mammal Ages
18.5
PaleogeneOligoceneChattianlate Late Arikareean/early Late Arikareean/late Early Arikareean/early Early ArikareeanHarrisonianArikareean23.03
Monroecreekian23.1 *
Geringian24.7 *
Rupelian27.82
Whitneyan29.5
Orellan31.8
EocenePriabonianLate Chadronian/Middle Chadronian/Early ChadronianChadronian33.9
Duchesnean37
Bartonian37.71
Late Uintan/Early UintanUintan39.7
Lutetian41.2
Twinbuttean/Blacksforkian/GardnerbuttianBridgerian46.2
Ypresian47.8
Lostcabinian/Lysitean/Graybullian/SandcouleeanWasatchian50.5
Cf3/Cf2/Cf1Clarkforkian54.9
PaleoceneThanetian56
Ti6/Ti5/Ti4/Ti3/Ti2/Ti1Tiffanian56.2
Selandian59.2
To3/To2/To1Torrejonian60.9
Danian61.6
Pu3/Pu2/Pu1Puercan63.8
66