1. |
Cretaceous
|
LC Classification (LCC)
|
ClassNumber Topic |
|
QE924 |
|
Science--Geology--Paleobotany--Stratigraphic divisions--Mesozoic--Cretaceous ; Cretaceous--Paleobotany |
2. |
Cretaceous
|
LC Classification (LCC)
|
ClassNumber Topic |
|
QE734 |
|
Science--Geology--Paleontology--Stratigraphic divisions (General and zoological)--Mesozoic--Cretaceous ; Cretaceous--Paleontology |
3. |
Cretaceous-Tertiary boundary
|
LC Classification (LCC)
|
ClassNumber Topic |
|
QE689 |
|
Science--Geology--Stratigraphy--Cretaceous-Tertiary boundary ; Cretaceous-Tertiary boundary--Stratigraphy ; Tertiary-Cretaceous boundary--Stratigraphy |
5. |
Cretaceous-Paleogene boundary
|
LC Subject Headings (LCSH)
|
Topic SimpleType Authority |
|
sh90002513 |
|
Boundary, Cretaceous-Paleogene ; Boundary, Cretaceous-Tertiary ; Cretaceous-Tertiary boundary ; Cretaceous-Tertiary transition ; K-Pg boundary ; K-T boundary ; Paleogene-Cretaceous boundary ; Tertiary-Cretaceous boundary ; Transition, Cretaceous-Tertiary ; Cretaceous-Tertiary boundary |
6. |
Cretaceous-Paleogene Extinction
|
LC Subject Headings (LCSH)
|
Topic SimpleType Authority |
|
sh2020004499 |
|
Cretaceous-Paleogene Mass Extinction ; Cretaceous-Tertiary Extinction ; Cretaceous-Tertiary Mass Extinction ; End-Cretaceous Extinction ; End-Cretaceous Mass Extinction ; K-Pg Extinction ; K-Pg Mass Extinction ; K-T Extinction ; K-T Mass Extinction |