Class information for:
Level 1: OXFORDIAN//AMMONITES//JURASSIC

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2339 2277 59.5 30%


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
2339 1                   OXFORDIAN//AMMONITES//JURASSIC 2277

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 OXFORDIAN authKW 925350 5% 64% 108
2 AMMONITES authKW 829166 9% 30% 206
3 JURASSIC authKW 817464 13% 20% 307
4 TOARCIAN authKW 709856 4% 65% 82
5 PLIENSBACHIAN authKW 375411 2% 67% 42
6 KIMMERIDGIAN authKW 349720 3% 43% 60
7 EARLY JURASSIC authKW 339570 3% 36% 71
8 BAJOCIAN authKW 316461 2% 64% 37
9 UPPER JURASSIC authKW 282162 3% 27% 78
10 AALENIAN authKW 275022 1% 71% 29

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 255516 45% 2% 1030
2 Geology 85353 27% 1% 616
3 Geosciences, Multidisciplinary 28975 42% 0% 945
4 Geography, Physical 8769 11% 0% 242
5 Engineering, Petroleum 224 1% 0% 25
6 Geochemistry & Geophysics 192 3% 0% 74
7 Multidisciplinary Sciences 179 2% 0% 40
8 Oceanography 29 1% 0% 29
9 Energy & Fuels 23 2% 0% 45
10 Mineralogy 3 0% 0% 8

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 UMR 5561 98303 2% 16% 45
2 UEI PALEONTOL 79061 1% 35% 17
3 ESTRATIG PALEONTOL 74335 3% 9% 59
4 UFR SCI TERRE 73108 2% 12% 45
5 UMR 5125 64143 2% 12% 41
6 UMR CNRS LGLTPE 5276 59724 0% 64% 7
7 CEACT 53630 0% 67% 6
8 CIENCIAS TERRA 49777 1% 11% 33
9 CIENCIAS GEOL 49072 3% 5% 73
10 CAMBORNE MINES ENVIRONM 40226 0% 100% 3

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 GEOBIOS 134259 6% 8% 132
2 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 89426 10% 3% 226
3 FACIES 85220 3% 9% 69
4 ECLOGAE GEOLOGICAE HELVETIAE 68082 3% 7% 68
5 NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN 52596 3% 5% 73
6 RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 50545 2% 8% 47
7 BULLETIN DE LA SOCIETE GEOLOGIQUE DE FRANCE 50408 4% 4% 94
8 NEWSLETTERS ON STRATIGRAPHY 43055 2% 9% 36
9 PROCEEDINGS OF THE GEOLOGISTS ASSOCIATION 34391 2% 6% 44
10 JOURNAL OF THE PALAEONTOLOGICAL SOCIETY OF INDIA 26438 1% 13% 15

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 OXFORDIAN 925350 5% 64% 108 Search OXFORDIAN Search OXFORDIAN
2 AMMONITES 829166 9% 30% 206 Search AMMONITES Search AMMONITES
3 JURASSIC 817464 13% 20% 307 Search JURASSIC Search JURASSIC
4 TOARCIAN 709856 4% 65% 82 Search TOARCIAN Search TOARCIAN
5 PLIENSBACHIAN 375411 2% 67% 42 Search PLIENSBACHIAN Search PLIENSBACHIAN
6 KIMMERIDGIAN 349720 3% 43% 60 Search KIMMERIDGIAN Search KIMMERIDGIAN
7 EARLY JURASSIC 339570 3% 36% 71 Search EARLY+JURASSIC Search EARLY+JURASSIC
8 BAJOCIAN 316461 2% 64% 37 Search BAJOCIAN Search BAJOCIAN
9 UPPER JURASSIC 282162 3% 27% 78 Search UPPER+JURASSIC Search UPPER+JURASSIC
10 AALENIAN 275022 1% 71% 29 Search AALENIAN Search AALENIAN

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 SANDOVAL, J , BILL, M , AGUADO, R , O'DOGHERTY, L , RIVAS, P , MORARD, A , GUEX, J , (2012) THE TOARCIAN IN THE SUBBETIC BASIN (SOUTHERN SPAIN): BIO-EVENTS (AMMONITE AND CALCAREOUS NANNOFOSSILS) AND CARBON-ISOTOPE STRATIGRAPHY.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 342. ISSUE . P. 40 -63 78 91% 18
2 DERA, G , NEIGE, P , DOMMERGUES, JL , BRAYARD, A , (2011) AMMONITE PALEOBIOGEOGRAPHY DURING THE PLIENSBACHIAN-TOARCIAN CRISIS (EARLY JURASSIC) REFLECTING PALEOCLIMATE, EUSTASY, AND EXTINCTIONS.GLOBAL AND PLANETARY CHANGE. VOL. 78. ISSUE 3-4. P. 92 -105 80 75% 29
3 DERA, G , DONNADIEU, Y , (2012) MODELING EVIDENCES FOR GLOBAL WARMING, ARCTIC SEAWATER FRESHENING, AND SLUGGISH OCEANIC CIRCULATION DURING THE EARLY TOARCIAN ANOXIC EVENT.PALEOCEANOGRAPHY. VOL. 27. ISSUE . P. - 81 73% 17
4 FRAGUAS, A , COMAS-RENGIFO, MJ , GOMEZ, JJ , GOY, A , (2012) THE CALCAREOUS NANNOFOSSIL CRISIS IN NORTHERN SPAIN (ASTURIAS PROVINCE) LINKED TO THE EARLY TOARCIAN WARMING-DRIVEN MASS EXTINCTION.MARINE MICROPALEONTOLOGY. VOL. 94-95. ISSUE . P. 58 -71 78 74% 10
5 GOMEZ, JJ , COMAS-RENGIFO, MJ , GOY, A , (2016) PALAEOCLIMATIC OSCILLATIONS IN THE PLIENSBACHIAN (EARLY JURASSIC) OF THE ASTURIAN BASIN (NORTHERN SPAIN).CLIMATE OF THE PAST. VOL. 12. ISSUE 5. P. 1199 -1214 61 77% 2
6 REOLID, M , EMANUELA, M , NIETO, LM , RODRIGUEZ-TOVAR, FJ , (2014) THE EARLY TOARCIAN OCEANIC ANOXIC EVENT IN THE EXTERNAL SUBBETIC (SOUTHIBERIAN PALAEOMARGIN, WESTERNMOST TETHYS): GEOCHEMISTRY, NANNOFOSSILS AND ICHNOLOGY.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 411. ISSUE . P. 79 -94 63 79% 7
7 ARABAS, A , (2016) MIDDLE-UPPER JURASSIC STABLE ISOTOPE RECORDS AND SEAWATER TEMPERATURE VARIATIONS: NEW PALAEOCLIMATE DATA FROM MARINE CARBONATE AND BELEMNITE ROSTRA (PIENINY KLIPPEN BELT, CARPATHIANS).PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 446. ISSUE . P. 284 -294 53 80% 2
8 HARAZIM, D , VAN DE SCHOOTBRUGGE, B , SORICHTER, K , FIEBIG, J , WEUG, A , SUAN, G , OSCHMANN, W , (2013) SPATIAL VARIABILITY OF WATERMASS CONDITIONS WITHIN THE EUROPEAN EPICONTINENTAL SEAWAY DURING THE EARLY JURASSIC (PLIENSBACHIANTOARCIAN).SEDIMENTOLOGY. VOL. 60. ISSUE 2. P. 359-390 67 72% 13
9 FERNANDEZ-LOPEZ, SR , PAVIA, G , ERBA, E , GUIOMAR, M , HENRIQUES, MH , LANZA, R , MANGOLD, C , MORTON, N , OLIVERO, D , TIRABOSCHI, D , (2009) THE GLOBAL BOUNDARY STRATOTYPE SECTION AND POINT (GSSP) FOR BASE OF THE BATHONIAN STAGE (MIDDLE JURASSIC), RAVIN DU BES SECTION, SE FRANCE.EPISODES. VOL. 32. ISSUE 4. P. 222 -248 73 75% 10
10 GOMEZ, JJ , GOY, A , CANALES, ML , (2008) SEAWATER TEMPERATURE AND CARBON ISOTOPE VARIATIONS IN BELEMNITES LINKED TO MASS EXTINCTION DURING THE TOARCIAN (EARLY JURASSIC) IN CENTRAL AND NORTHERN SPAIN. COMPARISON WITH OTHER EUROPEAN SECTIONS.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 258. ISSUE 1-2. P. 28 -58 63 77% 70

Classes with closest relation at Level 1


Rank Class id link
1 33413 ESTN REG NOROESTE//SCLERACTINIA//FORE BALKAN
2 31345 PARIS BASIN//ARDECHE MARGIN//DIPMETER LOGGING
3 23742 VOLGIAN STAGE//VOLGIAN//WEST SIBERIA
4 18183 TRIASSIC JURASSIC BOUNDARY//CENTRAL ATLANTIC MAGMATIC PROVINCE//TRIASSIC JURASSIC
5 816 CRETACEOUS RESEARCH//AMMONITES//APTIAN
6 7539 CARNIAN//CARBONATE PLATFORM//UPPER TRIASSIC
7 12031 COLEOIDEA//NAUTILOIDEA//AMMONOIDEA
8 21205 RADIOLARIANS//RADIOLARIA//NASSELLARIA
9 18525 BRACHIOPODA//BRACHIOPODS//RECENT BRACHIOPODS
10 35347 DASYCLADALES//CALCAREOUS FOSSIL ALGAE//CHORISTOSPORATE

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