ammonites

Gradstein et al. 1995 Mesozoic Stages

 Interval Maximum correlate Ma
Maastrichtian Late/Upper Cretaceous
71.3
Campanian Late/Upper Cretaceous
83.5
Santonian Late/Upper Cretaceous
85.8
Coniacian Late/Upper Cretaceous
89
Turonian Late/Upper Cretaceous
93.5
Cenomanian Late/Upper Cretaceous
98.9
Albian Early/Lower Cretaceous
112.2
Aptian Early/Lower Cretaceous
121
Barremian Early/Lower Cretaceous
127
Hauterivian Early/Lower Cretaceous
132
Valanginian Early/Lower Cretaceous
137
Berriasian Early/Lower Cretaceous
144.2
Tithonian Late/Upper Jurassic
150.7
Kimmeridgian Late/Upper Jurassic
154.1
Oxfordian Late/Upper Jurassic
159.4
Callovian Middle Jurassic
164.4
Bathonian Middle Jurassic
169.2
Bajocian Middle Jurassic
176.5
Aalenian Middle Jurassic
180.1
Toarcian Early/Lower Jurassic
189.6
Pliensbachian Early/Lower Jurassic
195.3
Sinemurian Early/Lower Jurassic
201.9
Hettangian Early/Lower Jurassic
205.7
Rhaetian Late/Upper Triassic
209.6
Norian Late/Upper Triassic
220.7
Carnian Late/Upper Triassic
227.4
Ladinian Middle Triassic
234.3
Anisian Middle Triassic
241.7
Olenekian Early/Lower Triassic

= Scythian
244.8
Induan Early/Lower Triassic

= Scythian
248.2

Authorizer: J. Alroy   Enterer: J. Alroy

Continent: global   Rank of each interval: age/stage

Basis of scale: paleontological  

Reference: F. M. Gradstein et al. 1995

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