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Mitchell, CE
Melchin, MJ
4
Xu, C
3
Xu, Chen (陈旭)
3
Bergstrom, SM
2
Chen, X
2
Fan, JX
2
Fan, JX (樊隽轩)
2
Finney, SC
2
Harper, DAT
2
Li, RY
2
Qiao, XD
2
Webby, BD
2
Zhan, SG
2
Zhang, YD
2
Zhang, YD (张元动)
2
Chen, X (陈旭)
1
Chen, Xu (陈旭)
1
Ni, YN
1
Ni, YN (倪寓南)
1
Rong, JY
1
Rong, JY (戎嘉余)
1
Wang, Y
1
Wang, Y (王怿)
1
Wang, ZH
1
Wang, ZH (王志浩)
1
Xuan, FJ
1
Xuan, FJ (樊隽轩)
1
Zhan, RB
1
Zhan, RB (詹仁斌)
1
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Geology
6
Geosciences
6
Multidisciplinary
6
Paleontology
4
Extinction
3
Ashgillian
2
BOUNDARY
2
Boundary
2
DIPLOGRAPTACEA
2
Diplograptacea
2
GRAPTOLOIDEA
2
Gondwana
2
Graptolites
2
Graptoloidea
2
Hirnantian
2
Ordovician
2
PHYLOGENETIC CLASSIFICATION
2
Phylogenetic Classification
2
Yangtze Region
2
Yangtze region
2
extinction
2
graptolites
2
ARCTIC CANADA
1
Arctic Canada
1
Astogenetic Pattern
1
BASE
1
BIOSTRATIGRAPHY
1
Base
1
Biogeography
1
Biostratigraphy
1
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