Berriasian

Berriasian

Jesse Russell Ronald Cohn

     

бумажная книга



ISBN: 978-5-5108-3711-7

High Quality Content by WIKIPEDIA articles! In the geological timescale, the Berriasian is an age or stage of the Early or Lower Creteceous. It is the oldest or lowest subdivision in the entire Cretaceous. It spanned between 145.5 ± 4.0 Ma and 140.2 ± 3.0 Ma (million years ago). The Berriasian succeeds the Tithonian (part of the Jurassic) and precedes the Valanginian.