Class information for:
Level 2: PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//AMMONITES

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
47 30591 53.6 29%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
30 106602 PALEONTOLOGY//GEOGRAPHY, PHYSICAL//GEOSCIENCES, MULTIDISCIPLINARY

Classes in level below (level 1)


ID, lev. below Publications Label for level below
723 3060 CRETACEOUS RESEARCH//AMMONITES//CENOMANIAN TURONIAN BOUNDARY
976 2835 GRAPTOLITES//ORDOVICIAN//CHITINOZOANS
2011 2324 AMMONITES//OXFORDIAN//JURASSIC
3958 1798 CAMBRIAN//TRILOBITES//BURGESS SHALE
4053 1781 PERMIAN TRIASSIC BOUNDARY//EARLY TRIASSIC//PERMIAN
5267 1580 PALEOBIOLOGY//COORDINATED STASIS//MACROEVOLUTION
5659 1525 NAUTILUS//INVERTEBRATE PALEONTOL SECT//GASTROPODA
6857 1359 CARBONATE PLATFORM//CARNIAN//MIDDLE TRIASSIC
6931 1350 FRASNIAN//DEVONIAN//ATRYPIDA
7104 1329 TRACE FOSSILS//ICHNOLOGY//ICHNOFABRIC
7350 1299 CORALLINALES//RHODOLITH//CORALLINE ALGAE
7777 1250 BRYOZOA//CHEILOSTOMATA//BRYOZOANS
8487 1180 VISEAN//MISSISSIPPIAN//SERPUKHOVIAN
10321 1007 CRINOIDEA//CRINOIDS//STALKED CRINOIDS
10610 982 DRILLING PREDATION//NATICID//NATICIDAE
11333 923 BIVALVIA//GALEOMMATOIDEA//ANOMALODESMATA
11985 876 NAUTILOIDEA//COLEOIDEA//PALEONTOL INVERTEBRATES
13741 753 BRACHIOPODA//LINGULATA//TOMMOTIIDA
15002 668 SOLENOGASTRES//POLYPLACOPHORA//APLACOPHORA
17102 553 TABULATA//ARCHAEOCYATHA//HETERACTINIDA
18184 500 TRIASSIC JURASSIC BOUNDARY//CENTRAL ATLANTIC MAGMATIC PROVINCE//END TRIASSIC MASS EXTINCTION
19226 450 ESTN REG NOROESTE//PALAXIUS//RUDIST BIVALVES
19629 432 SERPULIDAE//SPIRORBIDAE//TUBE ULTRASTRUCTURE
22175 334 EUCLA BASIN//COOL WATER CARBONATES//NONTROPICAL CARBONATES
29776 147 RAJMAHAL FORMATION//RAJMAHAL BASIN//DASYCLADALES
30924 131 GIONYAMA FORMATION//DITOMOPYGINAE//LIFE ASSEMBLAGES
32626 105 MICROENDOLITHS//ENDOLITHS//EUENDOLITHS
34879 60 CALGARY ADV TECHNOL 120//CYBERM PING//HYBODONTOID

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 PALEONTOLOGY WoS category 4987 29% 48% 14644
2 JOURNAL OF PALEONTOLOGY Journal 1848 58% 7% 2141
3 AMMONITES Author keyword 1020 86% 2% 527
4 LETHAIA Journal 1010 68% 3% 890
5 BIOSTRATIGRAPHY Author keyword 782 47% 4% 1220
6 GEOLOGY WoS category 761 12% 20% 6171
7 ORDOVICIAN Author keyword 685 64% 2% 678
8 BRACHIOPODA Author keyword 644 83% 1% 369
9 BRACHIOPODS Author keyword 607 81% 1% 363
10 PALAEONTOLOGY Journal 570 46% 3% 921

Web of Science journal categories


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 Paleontology 4987 29% 48% 14644
2 Geology 761 12% 20% 6171

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class		 LCSH search Wikipedia search
1 AMMONITES 1020 86% 2% 527 Search AMMONITES Search AMMONITES
2 BIOSTRATIGRAPHY 782 47% 4% 1220 Search BIOSTRATIGRAPHY Search BIOSTRATIGRAPHY
3 ORDOVICIAN 685 64% 2% 678 Search ORDOVICIAN Search ORDOVICIAN
4 BRACHIOPODA 644 83% 1% 369 Search BRACHIOPODA Search BRACHIOPODA
5 BRACHIOPODS 607 81% 1% 363 Search BRACHIOPODS Search BRACHIOPODS
6 CONODONTS 544 74% 1% 400 Search CONODONTS Search CONODONTS
7 TRILOBITES 513 88% 1% 244 Search TRILOBITES Search TRILOBITES
8 SILURIAN 486 64% 2% 470 Search SILURIAN Search SILURIAN
9 TRILOBITA 476 96% 0% 147 Search TRILOBITA Search TRILOBITA
10 AMMONOIDEA 373 87% 1% 180 Search AMMONOIDEA Search AMMONOIDEA

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 MASS EXTINCTION 810 61% 3% 859
2 BIOSTRATIGRAPHY 582 48% 3% 895
3 BURGESS SHALE 476 78% 1% 311
4 OCEANIC ANOXIC EVENT 448 76% 1% 314
5 TRILOBITES 368 89% 1% 170
6 AMMONITES 353 86% 1% 179
7 ORDOVICIAN 331 48% 2% 506
8 CARBON ISOTOPE STRATIGRAPHY 314 79% 1% 202
9 FOSSIL RECORD 307 39% 2% 628
10 BIOTIC CRISIS 286 88% 0% 134

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of publ.
in class
1 JOURNAL OF PALEONTOLOGY 1848 58% 7% 2141
2 LETHAIA 1010 68% 3% 890
3 PALAEONTOLOGY 570 46% 3% 921
4 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 529 26% 6% 1782
5 PALEOBIOLOGY 497 53% 2% 667
6 FACIES 443 63% 1% 446
7 PALAIOS 395 49% 2% 581
8 GEOBIOS 318 39% 2% 650
9 CRETACEOUS RESEARCH 298 38% 2% 623
10 BULLETIN OF GEOSCIENCES 266 67% 1% 238

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Cretaceous eustasy revisited 2014 38 58 41%
The timing and pattern of biotic recovery following the end-Permian mass extinction 2012 67 84 82%
Early Cretaceous life, climate and anoxia 2012 61 241 81%
Secular variation in Late Cretaceous carbon isotopes: a new delta C-13 carbonate reference curve for the Cenomanian-Campanian (99.6-70.6 Ma) 2006 174 82 90%
End-Permian Mass Extinction in the Oceans: An Ancient Analog for the Twenty-First Century? 2012 48 124 86%
Paleophysiology and end-Permian mass extinction 2007 232 108 55%
The Red Queen and the Court Jester: Species Diversity and the Role of Biotic and Abiotic Factors Through Time 2009 115 28 64%
Carbon-isotope stratigraphy across the Permian-Triassic boundary: A review 2010 72 213 82%
Mass extinctions and sea-level changes 1999 337 78 76%
End Ordovician extinctions: A coincidence of causes 2014 7 48 92%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 NANJING GEOL PALAEONTOL 277 41% 1.7% 528
2 PALAEONTOL 172 26% 1.9% 569
3 PALEONTOL 170 21% 2.4% 741
4 EARLY LIFE 160 87% 0.3% 79
5 STATE PALAEOBIOL STRATIG 114 37% 0.8% 244
6 UFR SCI TERRE 114 48% 0.6% 173
7 PALEOBIOL 110 24% 1.3% 405
8 PALAONTOL 109 49% 0.5% 164
9 UMR 8014 104 79% 0.2% 67
10 GEOL PALEONTOL 95 24% 1.1% 345

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000019768 EDIACARAN//DOUSHANTUO FORMATION//NEOPROTEROZOIC
2 0.0000014642 OSTRACODA//MESSINIAN//MESSINIAN SALINITY CRISIS
3 0.0000011866 K T BOUNDARY//METEORITICS & PLANETARY SCIENCE//CRETACEOUS TERTIARY BOUNDARY
4 0.0000009057 SIBOGLINIDAE//HYDROTHERMAL VENT//HYDROTHERMAL VENTS
5 0.0000008896 JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA//PALEONTOLOGY
6 0.0000008535 PALEOCEANOGRAPHY//MARINE MICROPALEONTOLOGY//JOURNAL OF FORAMINIFERAL RESEARCH
7 0.0000008438 ORGANIC GEOCHEMISTRY//PETR EXPLORAT DEV//AAPG BULLETIN
8 0.0000007213 REVIEW OF PALAEOBOTANY AND PALYNOLOGY//AMERICAN FERN JOURNAL//FOSSIL WOOD
9 0.0000006246 GEOL ENGN//NORTH ANATOLIAN FAULT//MENDERES MASSIF
10 0.0000005917 JOURNAL OF STRUCTURAL GEOLOGY//TECTONOPHYSICS//BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE