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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
248 19839 53.9 31%


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
248 2             PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//LETHAIA 19839
1017 1                   ORDOVICIAN//GRAPTOLITES//SILURIAN 2901
3038 1                   PERMIAN TRIASSIC BOUNDARY//EARLY TRIASSIC//PERMIAN 2082
4984 1                   TRILOBITES//TRILOBITA//CAMBRIAN 1692
5245 1                   PALEOBIOLOGY//MACROEVOLUTION//PALEONTOLOGY 1651
6878 1                   BURGESS SHALE//EARLY LIFE//CAMBRIAN 1433
7210 1                   TRACE FOSSILS//ICHNOLOGY//ICHNOFABRIC 1393
7640 1                   FRASNIAN//DEVONIAN//LATE DEVONIAN 1344
8242 1                   BRYOZOA//CHEILOSTOMATA//BRYOZOANS 1276
9918 1                   CRINOIDEA//CRINOIDS//ECHINODERMATA 1107
10020 1                   DRILLING PREDATION//PALAIOS//NATICIDAE 1098
12031 1                   COLEOIDEA//NAUTILOIDEA//AMMONOIDEA 937
12968 1                   VISEAN//MISSISSIPPIAN//SERPUKHOVIAN 869
15772 1                   TABULATA//ARCHAEOCYATHA//ARCHAEOCYATHS 692
18525 1                   BRACHIOPODA//BRACHIOPODS//RECENT BRACHIOPODS 548
19082 1                   SERPULIDAE//TUBE ULTRASTRUCTURE//BIOCLAUSTRATIONS 523
28919 1                   ROSTROCONCHIA//NEPIOMORPHIA//CONOCARDIIDA 196
35435 1                   GIONYAMA FORMATION//PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES//CUMMINGELLA 97

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 PALEONTOLOGY WoSSC 3387760 56% 20% 11062
2 JOURNAL OF PALEONTOLOGY journal 1337629 9% 48% 1830
3 LETHAIA journal 827030 4% 62% 862
4 ORDOVICIAN authKW 721018 4% 65% 727
5 CONODONTS authKW 554657 2% 73% 494
6 PALEOBIOLOGY journal 514326 3% 50% 665
7 SILURIAN authKW 513480 3% 66% 507
8 PALAEONTOLOGY journal 509604 4% 40% 828
9 CAMBRIAN authKW 483682 3% 58% 547
10 TRILOBITES authKW 466705 2% 91% 332

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 3387760 56% 20% 11062
2 Geology 256860 16% 5% 3170
3 Geosciences, Multidisciplinary 92022 26% 1% 5071
4 Geography, Physical 31854 7% 2% 1381
5 Evolutionary Biology 22515 7% 1% 1464
6 Biodiversity Conservation 19072 5% 1% 990
7 Ecology 8904 9% 0% 1693
8 Marine & Freshwater Biology 4129 5% 0% 983
9 Zoology 2814 5% 0% 947
10 Multidisciplinary Sciences 1022 1% 0% 293

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 NANJING GEOL PALAEONTOL 315076 3% 36% 571
2 GEOL 251874 17% 5% 3332
3 STATE PALAEOBIOL STRATIG 145824 1% 33% 285
4 PALAEONTOL 140138 2% 20% 462
5 EARLY LIFE 120442 0% 85% 92
6 PALEONTOL 116440 3% 14% 549
7 EARTH SCI 102714 11% 3% 2165
8 PALEOBIOL 90055 2% 17% 340
9 UMR 8014 67258 0% 72% 61
10 EARTH SCI PALAEOBIOL 63107 0% 76% 54

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 JOURNAL OF PALEONTOLOGY 1337629 9% 48% 1830
2 LETHAIA 827030 4% 62% 862
3 PALEOBIOLOGY 514326 3% 50% 665
4 PALAEONTOLOGY 509604 4% 40% 828
5 PALAIOS 339088 3% 42% 526
6 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 302604 6% 16% 1229
7 BULLETIN OF GEOSCIENCES 211424 1% 58% 237
8 PALEONTOLOGICHESKII ZHURNAL 174862 2% 35% 326
9 GFF 162083 1% 36% 296
10 ALCHERINGA 160139 2% 33% 312

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 ORDOVICIAN 721018 4% 65% 727 Search ORDOVICIAN Search ORDOVICIAN
2 CONODONTS 554657 2% 73% 494 Search CONODONTS Search CONODONTS
3 SILURIAN 513480 3% 66% 507 Search SILURIAN Search SILURIAN
4 CAMBRIAN 483682 3% 58% 547 Search CAMBRIAN Search CAMBRIAN
5 TRILOBITES 466705 2% 91% 332 Search TRILOBITES Search TRILOBITES
6 BRACHIOPODA 463388 2% 81% 370 Search BRACHIOPODA Search BRACHIOPODA
7 BRACHIOPODS 453472 2% 72% 408 Search BRACHIOPODS Search BRACHIOPODS
8 TRACE FOSSILS 367321 2% 67% 358 Search TRACE+FOSSILS Search TRACE+FOSSILS
9 BRYOZOA 360048 2% 65% 361 Search BRYOZOA Search BRYOZOA
10 GRAPTOLITES 322252 1% 87% 241 Search GRAPTOLITES Search GRAPTOLITES

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 BUATOIS, LA , WISSHAK, M , WILSON, MA , MANGANO, MG , (2017) CATEGORIES OF ARCHITECTURAL DESIGNS IN TRACE FOSSILS: A MEASURE OF ICHNODISPARITY.EARTH-SCIENCE REVIEWS. VOL. 164. ISSUE . P. 102 -181 219 80% 0
2 KORTE, C , KOZUR, HW , (2010) CARBON-ISOTOPE STRATIGRAPHY ACROSS THE PERMIAN-TRIASSIC BOUNDARY: A REVIEW.JOURNAL OF ASIAN EARTH SCIENCES. VOL. 39. ISSUE 4. P. 215 -235 170 79% 92
3 ALGEO, TJ , CHEN, ZQ , FRAISER, ML , TWITCHETT, RJ , (2011) TERRESTRIAL-MARINE TELECONNECTIONS IN THE COLLAPSE AND REBUILDING OF EARLY TRIASSIC MARINE ECOSYSTEMS.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 308. ISSUE 1-2. P. 1 -11 129 93% 72
4 SERVAIS, T , OWEN, AW , HARPER, DAT , KROGER, B , MUNNECKE, A , (2010) THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT (GOBE): THE PALAEOECOLOGICAL DIMENSION.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 294. ISSUE 3-4. P. 99 -119 147 83% 74
5 MELCHIN, MJ , MITCHELL, CE , HOLMDEN, C , STORCH, P , (2013) ENVIRONMENTAL CHANGES IN THE LATE ORDOVICIANEARLY SILURIAN: REVIEW AND NEW INSIGHTS FROM BLACK SHALES AND NITROGEN ISOTOPES.GEOLOGICAL SOCIETY OF AMERICA BULLETIN. VOL. 125. ISSUE 11-12. P. 1635 -1670 170 67% 33
6 CHEN, ZQ , YANG, H , LUO, M , BENTON, MJ , KAIHO, K , ZHAO, LS , HUANG, YG , ZHANG, KX , FANG, YH , JIANG, HS , ET AL (2015) COMPLETE BIOTIC AND SEDIMENTARY RECORDS OF THE PERMIAN-TRIASSIC TRANSITION FROM MEISHAN SECTION, SOUTH CHINA: ECOLOGICALLY ASSESSING MASS EXTINCTION AND ITS AFTERMATH.EARTH-SCIENCE REVIEWS. VOL. 149. ISSUE . P. 67 -107 132 94% 2
7 WEI, HY , SHEN, J , SCHOEPFER, SD , KRYSTYN, L , RICHOZ, S , ALGEO, TJ , (2015) ENVIRONMENTAL CONTROLS ON MARINE ECOSYSTEM RECOVERY FOLLOWING MASS EXTINCTIONS, WITH AN EXAMPLE FROM THE EARLY TRIASSIC.EARTH-SCIENCE REVIEWS. VOL. 149. ISSUE . P. 108 -135 181 67% 3
8 WOODS, AD , (2014) ASSESSING EARLY TRIASSIC PALEOCEANOGRAPHIC CONDITIONS VIA UNUSUAL SEDIMENTARY FABRICS AND FEATURES.EARTH-SCIENCE REVIEWS. VOL. 137. ISSUE . P. 6 -18 123 92% 14
9 MUNNECKE, A , CALNER, M , HARPER, DAT , SERVAIS, T , (2010) ORDOVICIAN AND SILURIAN SEA-WATER CHEMISTRY, SEA LEVEL, AND CLIMATE: A SYNOPSIS.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 296. ISSUE 3-4. P. 389 -413 152 75% 67
10 TAYLOR, PD , WILSON, MA , (2003) PALAEOECOLOGY AND EVOLUTION OF MARINE HARD SUBSTRATE COMMUNITIES.EARTH-SCIENCE REVIEWS. VOL. 62. ISSUE 1-2. P. 1 -103 246 49% 262

Classes with closest relation at Level 2


Rank Class id link
1 933 AMMONITES//PALEONTOLOGY//CRETACEOUS RESEARCH
2 1830 REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALEONTOLOGY//PALEOBOT
3 2371 VELIGER//NAUTILUS//GASTROPODA
4 3278 OSTRACODA//OSTRACODS//JOURNAL OF MICROPALAEONTOLOGY
5 849 PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA
6 498 ORGANIC GEOCHEMISTRY//PETR EXPLORAT DEV//MARINE AND PETROLEUM GEOLOGY
7 1368 SEA URCHIN//ECHINODERM//SEA CUCUMBER
8 3680 CIRRIPEDIA//RHIZOCEPHALA//THORACICA
9 2093 TARDIGRADA//HYDRA//GASTROTRICHA
10 51 PRECAMBRIAN RESEARCH//GEOSCIENCES, MULTIDISCIPLINARY//NEOPROTEROZOIC

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