Class information for:
Level 1: CRETACEOUS RESEARCH//AMMONITES//APTIAN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
816 3042 62.5 34%


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

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 CRETACEOUS RESEARCH journal 1364551 17% 26% 519
2 AMMONITES authKW 965965 8% 37% 257
3 APTIAN authKW 799419 5% 52% 152
4 RUDISTS authKW 552518 2% 79% 70
5 CENOMANIAN authKW 545947 5% 36% 151
6 CRETACEOUS authKW 542981 13% 13% 403
7 OCEANIC ANOXIC EVENT authKW 485483 3% 61% 79
8 TURONIAN authKW 466751 3% 44% 105
9 ALBIAN authKW 458800 4% 35% 132
10 PALEONTOLOGY WoSSC 448232 52% 3% 1576

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 448232 52% 3% 1576
2 Geology 232258 39% 2% 1172
3 Geosciences, Multidisciplinary 30725 37% 0% 1129
4 Geography, Physical 8523 9% 0% 277
5 Geochemistry & Geophysics 578 5% 0% 137
6 Oceanography 521 3% 0% 103
7 Multidisciplinary Sciences 224 2% 0% 52
8 Engineering, Petroleum 187 1% 0% 27
9 Biodiversity Conservation 23 1% 0% 20
10 Energy & Fuels 6 1% 0% 43

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 SEKT PALAOZOOL 205845 1% 71% 29
2 SEDIMENTOL PALEONTOL 186775 1% 42% 44
3 GEOL MINERAL GEOPHYS 90213 3% 10% 88
4 MUSEUM MINERAL GEOL 88905 1% 37% 24
5 GEOL PALEONTOL 71527 4% 7% 108
6 GEOL 57509 20% 1% 622
7 RECH MICROPALEONTOL 50180 0% 100% 5
8 ABT GEOL DIENST 10 40144 0% 100% 4
9 IST GEOL 37613 0% 25% 15
10 GEOL PALAEONTOL 35180 2% 5% 67

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 1364551 17% 26% 519
2 CARNETS DE GEOLOGIE 115884 1% 30% 38
3 ACTA GEOLOGICA POLONICA 93562 2% 16% 59
4 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 87160 8% 3% 258
5 NEWSLETTERS ON STRATIGRAPHY 59707 2% 12% 49
6 GEOLOGICA CARPATHICA 51195 2% 7% 69
7 AFRICAN NATURAL HISTORY 43472 0% 33% 13
8 FACIES 34803 2% 7% 51
9 JOURNAL OF FORAMINIFERAL RESEARCH 28339 2% 6% 51
10 PALEOCEANOGRAPHY 27953 2% 4% 76

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 965965 8% 37% 257 Search AMMONITES Search AMMONITES
2 APTIAN 799419 5% 52% 152 Search APTIAN Search APTIAN
3 RUDISTS 552518 2% 79% 70 Search RUDISTS Search RUDISTS
4 CENOMANIAN 545947 5% 36% 151 Search CENOMANIAN Search CENOMANIAN
5 CRETACEOUS 542981 13% 13% 403 Search CRETACEOUS Search CRETACEOUS
6 OCEANIC ANOXIC EVENT 485483 3% 61% 79 Search OCEANIC+ANOXIC+EVENT Search OCEANIC+ANOXIC+EVENT
7 TURONIAN 466751 3% 44% 105 Search TURONIAN Search TURONIAN
8 ALBIAN 458800 4% 35% 132 Search ALBIAN Search ALBIAN
9 CENOMANIAN TURONIAN BOUNDARY 408380 2% 88% 46 Search CENOMANIAN+TURONIAN+BOUNDARY Search CENOMANIAN+TURONIAN+BOUNDARY
10 BIOSTRATIGRAPHY 404773 11% 12% 332 Search BIOSTRATIGRAPHY Search BIOSTRATIGRAPHY

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 -257 181 75% 95
2 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 98 89% 46
3 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
4 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 89 82% 1
5 JENKYNS, HC , (2010) GEOCHEMISTRY OF OCEANIC ANOXIC EVENTS.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS. VOL. 11. ISSUE . P. - 103 52% 266
6 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 -377 115 69% 0
7 GAMBACORTA, G , JENKYNS, HC , RUSSO, F , TSIKOS, H , WILSON, PA , FAUCHER, G , ERBA, E , (2015) CARBON- AND OXYGEN-ISOTOPE RECORDS OF MID-CRETACEOUS TETHYAN PELAGIC SEQUENCES FROM THE UMBRIA-MARCHE AND BELLUNO BASINS (ITALY).NEWSLETTERS ON STRATIGRAPHY. VOL. 48. ISSUE 3. P. 299 -323 67 91% 12
8 PEARCE, MA , JARVIS, I , TOCHER, BA , (2009) THE CENOMANIAN-TURONIAN BOUNDARY EVENT, OAE2 AND PALAEOENVIRONMENTAL CHANGE IN EPICONTINENTAL SEAS: NEW INSIGHTS FROM THE DINOCYST AND GEOCHEMICAL RECORDS.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 280. ISSUE 1-2. P. 207 -+ 98 75% 52
9 WENDLER, I , WENDLER, JE , CLARKE, LJ , (2016) SEA-LEVEL RECONSTRUCTION FOR TURONIAN SEDIMENTS FROM TANZANIA BASED ON INTEGRATION OF SEDIMENTOLOGY, MICROFACIES, GEOCHEMISTRY AND MICROPALEONTOLOGY.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 441. ISSUE . P. 528 -564 82 84% 0
10 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 82 80% 0

Classes with closest relation at Level 1


Rank Class id link
1 33413 ESTN REG NOROESTE//SCLERACTINIA//FORE BALKAN
2 35347 DASYCLADALES//CALCAREOUS FOSSIL ALGAE//CHORISTOSPORATE
3 28013 CHALK GROUP//CHALK//NANO QUARTZ
4 35288 BERRIAS//BUCHOTRIGONIINAE//PTEROTRIGONIIDAE
5 2339 OXFORDIAN//AMMONITES//JURASSIC
6 25894 INITIAL REPORTS OF THE DEEP SEA DRILLING PROJECT//BAS RHIN BOUXWILLER BREMMELBACH//BIOFACIES PALYNOFACIES
7 4040 K T BOUNDARY//CRETACEOUS TERTIARY BOUNDARY//MAASTRICHTIAN
8 23742 VOLGIAN STAGE//VOLGIAN//WEST SIBERIA
9 36928 GERENCIA EXPLORAT//LATERITES PALEOATMOSPHERE//SALT INDUCED NOBLE GAS DIFFUSION
10 21205 RADIOLARIANS//RADIOLARIA//NASSELLARIA

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