Judithian age
83.6 - 72.1 Ma
The definition of this interval in the timescale Cretaceous North American Land-Mammal Ages is taken from the following source:
- J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 view
There are intervals in 5 timescales which overlap this one. show
This interval is used in the definition of 57 collections
A total of 7052 collections with 36959 occurrences lie within this time span
International Chronostratigraphic Timescale | Cretaceous North American Land-Mammal Ages | |||
---|---|---|---|---|
Cretaceous | Late Cretaceous | Maastrichtian | Lancian/Edmontonian | 66 |
Campanian | Judithian/Aquilan | 72.1 | ||
Santonian | 83.6 | |||
Coniacian | 86.3 | |||
Turonian | 89.8 | |||
Cenomanian | 93.9 | |||
Early Cretaceous | Albian | 100.5 | ||
Aptian | 113 | |||
Barremian | 121.4 | |||
Hauterivian | 125.77 | |||
Valanginian | 132.6 | |||
Berriasian | 139.8 | |||
145 |