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gptkb:Floian_Stage
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First appearance of graptolite Tetragraptus approximatus
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gptkb:Fortunian
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first appearance of Treptichnus pedum
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gptkb:Thanetian_Stage
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first appearance of the dinoflagellate Apectodinium
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gptkb:Santonian_stage
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First appearance of the inoceramid bivalve Cladoceramus undulatoplicatus
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gptkb:Dapingian_Stage
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first appearance of conodont species Baltoniodus triangularis
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gptkb:Tremadocian
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first appearance of the conodont Iapetognathus fluctivagus
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gptkb:Lochkovian_stage
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first appearance of graptolite Monograptus uniformis
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gptkb:Albian_stage
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first appearance of planktonic foraminiferan Microhedbergella renilaevis
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gptkb:Sheinwoodian_Age
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first appearance of graptolite Cyrtograptus centrifugus
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gptkb:Tournaisian
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first appearance of conodont Siphonodella sulcata
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gptkb:Meghalayan_Age
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isotope records in a stalagmite from Mawmluh Cave, India
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gptkb:Sandbian_Stage
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First appearance of graptolite Nemagraptus gracilis
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gptkb:Tremadocian_Stage
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first appearance of the conodont Iapetognathus fluctivagus
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gptkb:Holocene_Series
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end of the Younger Dryas
|
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gptkb:Danian_Stage
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gptkb:Cretaceous–Paleogene_extinction_event
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gptkb:Terreneuvian_Series
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first appearance of Treptichnus pedum
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gptkb:Givetian_Stage
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first appearance of Polygnathus hemiansatus
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gptkb:Aalenian_Stage
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first appearance of the ammonite genus Leioceras
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gptkb:Meghalayan
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isotopic signature in a stalagmite from Mawmluh Cave, India
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gptkb:Furongian_Series
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First appearance of trilobite Glyptagnostus reticulatus
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