Callovian

URI: https://gptkb.org/entity/Callovian
GPTKB entity
Statements (16)
Predicate Object
gptkbp:instanceOf gptkb:geological_formation
gptkbp:endDate 163.5 million years ago
gptkbp:followedBy gptkb:Oxfordian
gptkbp:GSSPStatus not formally defined
gptkbp:namedAfter gptkb:Kellaways,_England
gptkbp:partOf gptkb:Middle_Jurassic
gptkbp:precededBy gptkb:Bathonian
gptkbp:rank gptkb:theatre
age
gptkbp:startDate 166.1 million years ago
gptkbp:stratigraphicUnitOf gptkb:Jurassic_System
gptkbp:stratotypeLocation gptkb:Kellaways,_Wiltshire,_England
gptkbp:usedIn gptkb:International_Chronostratigraphic_Chart
gptkbp:bfsParent gptkb:Middle_Jurassic
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Callovian