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单词 Santonian age
释义

Santonian age

英语百科

Santonian

 Graciliceratops
 Reconstruction of Udanoceratops
Claosaurus
Gryposaurus

The Santonian is an age in the geologic timescale or a chronostratigraphic stage. It is a subdivision of the Late Cretaceous epoch or Upper Cretaceous series. It spans the time between 86.3 ± 0.7 mya (million years ago) and 83.6 ± 0.7 mya. The Santonian is preceded by the Coniacian and is followed by the Campanian.

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更新时间:2025/6/21 19:51:57