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Desmoscaphites bassleri
945
Type
Zone
Age range
84.52–84.08
Ma
International Timescale
Late Cretaceous
Santonian
Ammonite Zonation - Western Interior
Scaphites leei
Desmoscaphites bassleri
Desmoscaphites erdmanni
84.52
84.50
84.48
84.46
84.44
84.42
84.40
84.38
84.36
84.34
84.32
84.30
84.28
84.26
84.24
84.22
84.20
84.18
84.16
84.14
84.12
84.10
84.08
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