Class information for:
Level 2: AMMONITES//PALEONTOLOGY//CRETACEOUS RESEARCH

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
933 11019 55.4 32%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
13 4 ZOOLOGY//MARINE & FRESHWATER BIOLOGY//FISHERIES 1013533
232 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//GEOLOGY 48747
933 2             AMMONITES//PALEONTOLOGY//CRETACEOUS RESEARCH 11019
816 1                   CRETACEOUS RESEARCH//AMMONITES//APTIAN 3042
2339 1                   OXFORDIAN//AMMONITES//JURASSIC 2277
4040 1                   K T BOUNDARY//CRETACEOUS TERTIARY BOUNDARY//MAASTRICHTIAN 1858
7539 1                   CARNIAN//CARBONATE PLATFORM//UPPER TRIASSIC 1357
18183 1                   TRIASSIC JURASSIC BOUNDARY//CENTRAL ATLANTIC MAGMATIC PROVINCE//TRIASSIC JURASSIC 562
21205 1                   RADIOLARIANS//RADIOLARIA//NASSELLARIA 429
23742 1                   VOLGIAN STAGE//VOLGIAN//WEST SIBERIA 336
25894 1                   INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT//BAS RHIN BOUXWILLER BREMMELBACH//BIOFACIES PALYNOFACIES 269
28013 1                   CHALK GROUP//CHALK//NANO QUARTZ 216
31345 1                   PARIS BASIN//ARDECHE MARGIN//DIPMETER LOGGING 154
33321 1                   RANKING AND SCALING//RASC//RASC METHOD 126
33413 1                   ESTN REG NOROESTE//SCLERACTINIA//FORE BALKAN 125
35224 1                   FABIANIA//KURNELL//LAST GLACIAL MAXIMUM STRANDLINE 100
35347 1                   DASYCLADALES//CALCAREOUS FOSSIL ALGAE//CHORISTOSPORATE 98
36928 1                   GERENCIA EXPLORAT//LATERITES PALEOATMOSPHERE//SALT INDUCED NOBLE GAS DIFFUSION 70

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 AMMONITES authKW 1329819 5% 84% 574
2 PALEONTOLOGY WoSSC 951558 40% 8% 4375
3 CRETACEOUS RESEARCH journal 661114 6% 35% 688
4 BIOSTRATIGRAPHY authKW 580397 7% 28% 757
5 GEOLOGY WoSSC 578180 32% 6% 3523
6 JURASSIC authKW 380268 4% 30% 461
7 CRETACEOUS authKW 362135 6% 21% 627
8 CALCAREOUS NANNOFOSSILS authKW 300701 2% 48% 226
9 CARBONATE PLATFORM authKW 277855 2% 48% 209
10 APTIAN authKW 247375 1% 56% 161

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Paleontology 951558 40% 8% 4375
2 Geology 578180 32% 6% 3523
3 Geosciences, Multidisciplinary 119702 38% 1% 4236
4 Geography, Physical 21743 8% 1% 847
5 Geochemistry & Geophysics 5186 7% 0% 734
6 Engineering, Petroleum 3667 2% 1% 213
7 Multidisciplinary Sciences 1698 2% 0% 259
8 Oceanography 973 3% 0% 283
9 Mineralogy 404 1% 0% 116
10 Energy & Fuels 314 3% 0% 291

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 GEOL 139183 17% 3% 1846
2 SEKT PALAOZOOL 87525 0% 88% 36
3 GEOL PALEONTOL 86278 2% 14% 226
4 SEDIMENTOL PALEONTOL 80495 0% 53% 55
5 ESTRATIG PALEONTOL 57212 1% 18% 114
6 GEOL SEDIMENTAIRE 48316 0% 42% 42
7 GEOL PALAEONTOL 44747 1% 11% 144
8 PALEONTOL 40974 2% 6% 243
9 GEOL MINERAL GEOPHYS 40197 1% 13% 112
10 UFR SCI TERRE 34403 1% 18% 68

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 CRETACEOUS RESEARCH 661114 6% 35% 688
2 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 213499 7% 10% 769
3 FACIES 177249 2% 29% 219
4 NEWSLETTERS ON STRATIGRAPHY 117744 1% 33% 131
5 GEOBIOS 102421 2% 15% 254
6 RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 99308 1% 25% 145
7 ACTA GEOLOGICA POLONICA 89677 1% 29% 110
8 BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE 86359 2% 12% 271
9 STRATIGRAPHY AND GEOLOGICAL CORRELATION 81488 1% 18% 164
10 INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT 81022 2% 15% 193

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 AMMONITES 1329819 5% 84% 574 Search AMMONITES Search AMMONITES
2 BIOSTRATIGRAPHY 580397 7% 28% 757 Search BIOSTRATIGRAPHY Search BIOSTRATIGRAPHY
3 JURASSIC 380268 4% 30% 461 Search JURASSIC Search JURASSIC
4 CRETACEOUS 362135 6% 21% 627 Search CRETACEOUS Search CRETACEOUS
5 CALCAREOUS NANNOFOSSILS 300701 2% 48% 226 Search CALCAREOUS+NANNOFOSSILS Search CALCAREOUS+NANNOFOSSILS
6 CARBONATE PLATFORM 277855 2% 48% 209 Search CARBONATE+PLATFORM Search CARBONATE+PLATFORM
7 APTIAN 247375 1% 56% 161 Search APTIAN Search APTIAN
8 BELEMNITES 244131 1% 86% 102 Search BELEMNITES Search BELEMNITES
9 OCEANIC ANOXIC EVENT 236631 1% 81% 105 Search OCEANIC+ANOXIC+EVENT Search OCEANIC+ANOXIC+EVENT
10 OXFORDIAN 235886 1% 71% 120 Search OXFORDIAN Search OXFORDIAN

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 FOLLMI, KB , (2012) EARLY CRETACEOUS LIFE, CLIMATE AND ANOXIA.CRETACEOUS RESEARCH. VOL. 35. ISSUE . P. 230 -257 192 80% 95
2 JENKYNS, HC , (2010) GEOCHEMISTRY OF OCEANIC ANOXIC EVENTS.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS. VOL. 11. ISSUE . P. - 135 68% 266
3 BAUDIN, F , RIQUIER, L , (2014) THE LATE HAUTERIVIAN FARAONI 'OCEANIC ANOXIC EVENT': AN UPDATE.BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE. VOL. 185. ISSUE 6. P. 359 -377 145 87% 0
4 SKELTON, PW , GILI, E , (2012) RUDISTS AND CARBONATE PLATFORMS IN THE APTIAN: A CASE STUDY ON BIOTIC INTERACTIONS WITH OCEAN CHEMISTRY AND CLIMATE.SEDIMENTOLOGY. VOL. 59. ISSUE 1. P. 81 -117 99 90% 46
5 BOTTINI, C , ERBA, E , TIRABOSCHI, D , JENKYNS, HC , SCHOUTEN, S , DAMSTE, JSS , (2015) CLIMATE VARIABILITY AND OCEAN FERTILITY DURING THE APTIAN STAGE.CLIMATE OF THE PAST. VOL. 11. ISSUE 3. P. 383 -402 90 89% 11
6 PRICE, GD , FOZY, I , PALFY, J , (2016) CARBON CYCLE HISTORY THROUGH THE JURASSIC-CRETACEOUS BOUNDARY: A NEW GLOBAL DELTA C-13 STACK.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 451. ISSUE . P. 46 -61 92 78% 3
7 VAN DE SCHOOTBRUGGE, B , BACHAN, A , SUAN, G , RICHOZ, S , PAYNE, JL , (2013) MICROBES, MUD AND METHANE: CAUSE AND CONSEQUENCE OF RECURRENT EARLY JURASSIC ANOXIA FOLLOWING THE END-TRIASSIC MASS EXTINCTION.PALAEONTOLOGY. VOL. 56. ISSUE 4. P. 685 -709 106 77% 20
8 HALASOVA, E , LUKENEDER, A , SOTAK, J , JOVANE, L , GIORGIONI, M , SAVIAN, JF , REHAKOVA, D , JOZSA, S , KROH, A , FLORINDO, F , ET AL (2016) MULTISTRATIGRAPHIC RECORDS OF THE LOWER CRETACEOUS (VALANGINIAN-CENOMANIAN) PUEZ KEY AREA IN N. ITALY.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 447. ISSUE . P. 65 -87 92 85% 1
9 PETRIZZO, MR , BERROCOSO, AJ , FALZONI, F , HUBER, BT , MACLEOD, KG , (2017) THE CONIACIAN-SANTONIAN SEDIMENTARY RECORD IN SOUTHERN TANZANIA (RUVUMA BASIN, EAST AFRICA): PLANKTONIC FORAMINIFERAL EVOLUTIONARY, GEOCHEMICAL AND PALAEOCEANOGRAPHIC PATTERNS.SEDIMENTOLOGY. VOL. 64. ISSUE 1. P. 252 -285 92 89% 0
10 RUHL, M , HESSELBO, SP , HINNOV, L , JENKYNS, HC , XU, WM , RIDING, JB , STORM, M , MINISINI, D , ULLMANN, CV , LENG, MJ , (2016) ASTRONOMICAL CONSTRAINTS ON THE DURATION OF THE EARLY JURASSIC PLIENSBACHIAN STAGE AND GLOBAL CLIMATIC FLUCTUATIONS.EARTH AND PLANETARY SCIENCE LETTERS. VOL. 455. ISSUE . P. 149 -165 87 85% 1

Classes with closest relation at Level 2


Rank Class id link
1 248 PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//LETHAIA
2 498 ORGANIC GEOCHEMISTRY//PETR EXPLORAT DEV//MARINE AND PETROLEUM GEOLOGY
3 300 PALEOCEANOGRAPHY//MARINE MICROPALEONTOLOGY//PALEONTOLOGY
4 1492 CHEMICAL GEOLOGY//IRON ISOTOPES//GEOCHIMICA ET COSMOCHIMICA ACTA
5 1756 JOURNAL OF AFRICAN EARTH SCIENCES//TECTONOPHYSICS//CONTINENTAL MARGINS DIVERGENT
6 1830 REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALEONTOLOGY//PALEOBOT
7 849 PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA
8 3278 OSTRACODA//OSTRACODS//JOURNAL OF MICROPALAEONTOLOGY
9 1158 GEOL ENGN//NORTH ANATOLIAN FAULT//TECTONOPHYSICS
10 100 JOURNAL OF STRUCTURAL GEOLOGY//TECTONOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY

Go to start page