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Surites stenomphalus
862
Type
Zone
Age range
140.2–139
Ma
International Timescale
Early Cretaceous
Berriasian
Ammonite Zonation - Boreal
Peregrinoceras albidum
Surites stenomphalus
Surites icenii
140.3
140.2
140.2
140.1
140.1
140.0
139.9
139.9
139.8
139.8
139.8
139.7
139.7
139.6
139.6
139.5
139.4
139.4
139.3
139.3
139.3
139.2
139.2
139.1
139.1
139.0
138.9
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