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Prionocyclus germari
936
Type
Zone
Age range
90.24–89.98
Ma
International Timescale
Late Cretaceous
Turonian
Ammonite Zonation - Western Interior
Scaphites mariasensis
Prionocyclus germari
Scaphites nigricollensis
90.24
90.22
90.20
90.18
90.16
90.14
90.12
90.10
90.08
90.06
90.04
90.02
90.00
89.98
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