Class information for:
Level 1: TRILOBITES//TRILOBITA//CAMBRIAN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4984 1692 56.9 25%


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
4984 1                   TRILOBITES//TRILOBITA//CAMBRIAN 1692

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 TRILOBITES authKW 2584019 13% 63% 228
2 TRILOBITA authKW 1488006 7% 70% 117
3 CAMBRIAN authKW 1196330 15% 26% 251
4 MIDDLE CAMBRIAN authKW 884172 4% 70% 70
5 JOURNAL OF PALEONTOLOGY journal 492332 19% 8% 324
6 PALEONTOLOGY WoSSC 404697 66% 2% 1116
7 LOWER CAMBRIAN authKW 394899 4% 36% 61
8 FURONGIAN authKW 386275 2% 63% 34
9 EARTH SCI PALAEOBIOL address 276742 2% 46% 33
10 LINGULATA authKW 260748 1% 85% 17

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 404697 66% 2% 1116
2 Geology 10142 11% 0% 185
3 Geosciences, Multidisciplinary 8934 27% 0% 460
4 Evolutionary Biology 344 3% 0% 57
5 Geography, Physical 182 2% 0% 34
6 Biodiversity Conservation 170 2% 0% 30
7 Zoology 29 2% 0% 39
8 Ecology 23 2% 0% 42
9 Biology 22 2% 0% 30
10 Multidisciplinary Sciences 8 1% 0% 11

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 EARTH SCI PALAEOBIOL 276742 2% 46% 33
2 EARLY LIFE 160524 2% 29% 31
3 OKLAHOMA MUSEUM NAT HIST 152073 2% 27% 31
4 BIOL GEOSCI ENVIRONM 90226 0% 100% 5
5 NANJING GEOL PALAEONTOL 83935 5% 5% 86
6 PROGRAM PALAEOBIOL 72181 0% 100% 4
7 LEHRSTUHL GEODYNAM GEOMAT FOR 66428 1% 41% 9
8 PALAEOZOOL 59933 2% 11% 29
9 UMR GEOSYST CNRS 8217 57743 0% 80% 4
10 PALAEOBIOL UNIT 52004 0% 41% 7

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 492332 19% 8% 324
2 PALAEONTOLOGY 132039 7% 6% 123
3 BULLETIN OF GEOSCIENCES 128876 3% 13% 54
4 GFF 89041 4% 8% 64
5 ALCHERINGA 74311 4% 7% 62
6 LETHAIA 69545 4% 5% 73
7 SPECIAL PAPERS IN PALAEONTOLOGY SERIES 51976 1% 14% 21
8 GEOLOGICAL MAGAZINE 46564 4% 4% 72
9 ACTA PALAEONTOLOGICA POLONICA 26291 2% 4% 39
10 PALEONTOLOGICHESKII ZHURNAL 21021 2% 4% 33

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 TRILOBITES 2584019 13% 63% 228 Search TRILOBITES Search TRILOBITES
2 TRILOBITA 1488006 7% 70% 117 Search TRILOBITA Search TRILOBITA
3 CAMBRIAN 1196330 15% 26% 251 Search CAMBRIAN Search CAMBRIAN
4 MIDDLE CAMBRIAN 884172 4% 70% 70 Search MIDDLE+CAMBRIAN Search MIDDLE+CAMBRIAN
5 LOWER CAMBRIAN 394899 4% 36% 61 Search LOWER+CAMBRIAN Search LOWER+CAMBRIAN
6 FURONGIAN 386275 2% 63% 34 Search FURONGIAN Search FURONGIAN
7 LINGULATA 260748 1% 85% 17 Search LINGULATA Search LINGULATA
8 SMALL SHELLY FOSSILS 225934 1% 52% 24 Search SMALL+SHELLY+FOSSILS Search SMALL+SHELLY+FOSSILS
9 OLENIDAE 221050 1% 88% 14 Search OLENIDAE Search OLENIDAE
10 EARLY CAMBRIAN 208585 3% 25% 46 Search EARLY+CAMBRIAN Search EARLY+CAMBRIAN

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 PARCHA, SK , PENG, SC , HUGHES, NC , HEIM, NA , SELL, BK , ZHU, XJ , MYROW, PM , (2009) CAMBRIAN TRILOBITES FROM THE PARAHIO AND ZANSKAR VALLEYS, INDIAN HIMALAYA.JOURNAL OF PALEONTOLOGY. VOL. 83. ISSUE 6. P. 1 -95 46 96% 14
2 HOYBERGETL, M , EBBESTAD, JOR , FUNKE, B , NAKREM, HA , (2015) THE SHELLY FAUNA AND BIOSTRATIGRAPHY OF THE LOWER CAMBRIAN (PROVISIONAL SERIES 2, STAGE 4) EVJEVIK MEMBER, RINGSTRAND FORMATION IN THE MJOSA AREA, NORWAY.NORWEGIAN JOURNAL OF GEOLOGY. VOL. 95. ISSUE 1. P. 23 -56 40 89% 1
3 KOUCHINSKY, A , BENGTSON, S , CLAUSEN, S , VENDRASCO, MJ , (2015) AN EARLY CAMBRIAN FAUNA OF SKELETAL FOSSILS FROM THE EMYAKSIN FORMATION, NORTHERN SIBERIA.ACTA PALAEONTOLOGICA POLONICA. VOL. 60. ISSUE 2. P. 421 -512 55 59% 4
4 CHOI, DK , LEE, JG , LEE, SB , PARK, TYS , HONG, PS , (2016) TRILOBITE BIOSTRATIGRAPHY OF THE LOWER PALEOZOIC (CAMBRIAN-ORDOVICIAN) JOSEON SUPERGROUP, TAEBAEKSAN BASIN, KOREA.ACTA GEOLOGICA SINICA-ENGLISH EDITION. VOL. 90. ISSUE 6. P. 1976 -1999 38 88% 0
5 LANDING, E , GEYER, G , BRASIER, MD , BOWRING, SA , (2013) CAMBRIAN EVOLUTIONARY RADIATION: CONTEXT, CORRELATION, AND CHRONOSTRATIGRAPHY-OVERCOMING DEFICIENCIES OF THE FIRST APPEARANCE DATUM (FAD) CONCEPT.EARTH-SCIENCE REVIEWS. VOL. 123. ISSUE . P. 133 -172 63 46% 28
6 HUGHES, HE , THOMAS, AT , (2014) SPECIAL PAPERS IN PALAEONTOLOGY NO. 92 TRILOBITES FROM SILURIAN REEFS IN NORTH GREENLAND ABSTRACTS.TRILOBITES FROM SILURIAN REEFS IN NORTH GREENLAND. VOL. 92. ISSUE . P. 5 -102 40 82% 0
7 LIEBERMAN, BS , KARIM, TS , (2010) TRACING THE TRILOBITE TREE FROM THE ROOT TO THE TIPS: A MODEL MARRIAGE OF FOSSILS AND PHYLOGENY.ARTHROPOD STRUCTURE & DEVELOPMENT. VOL. 39. ISSUE 2-3. P. 111 -123 49 71% 7
8 ZYLINSKA, A , WEIDNER, T , AHLGREN, J , AHLBERG, P , (2015) EXOTIC TRILOBITES FROM THE UPPERMOST CAMBRIAN SERIES 3 AND LOWER FURONGIAN OF SWEDEN.ACTA GEOLOGICA POLONICA. VOL. 65. ISSUE 1. P. 21 -67 38 83% 0
9 WEIDNER, T , NIELSEN, AT , (2014) A HIGHLY DIVERSE TRILOBITE FAUNA WITH AVALONIAN AFFINITIES FROM THE MIDDLE CAMBRIAN ACIDUSUS ATAVUS ZONE (DRUMIAN STAGE) OF BORNHOLM, DENMARK.JOURNAL OF SYSTEMATIC PALAEONTOLOGY. VOL. 12. ISSUE 1. P. 23-92 31 94% 8
10 LARSSON, CM , SKOVSTED, CB , BROCK, GA , BALTHASAR, U , TOPPER, TP , HOLMER, LE , (2014) PATERIMITRA PYRAMIDALIS FROM SOUTH AUSTRALIA: SCLERITOME, SHELL STRUCTURE AND EVOLUTION OF A LOWER CAMBRIAN STEM GROUP BRACHIOPOD.PALAEONTOLOGY. VOL. 57. ISSUE 2. P. 417 -446 39 71% 3

Classes with closest relation at Level 1


Rank Class id link
1 6878 BURGESS SHALE//EARLY LIFE//CAMBRIAN
2 20058 POLYPLACOPHORA//SOLENOGASTRES//APLACOPHORA
3 15772 TABULATA//ARCHAEOCYATHA//ARCHAEOCYATHS
4 1017 ORDOVICIAN//GRAPTOLITES//SILURIAN
5 18525 BRACHIOPODA//BRACHIOPODS//RECENT BRACHIOPODS
6 28919 ROSTROCONCHIA//NEPIOMORPHIA//CONOCARDIIDA
7 35435 GIONYAMA FORMATION//PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES//CUMMINGELLA
8 1406 EDIACARAN//NEOPROTEROZOIC//DOUSHANTUO FORMATION
9 9918 CRINOIDEA//CRINOIDS//ECHINODERMATA
10 7640 FRASNIAN//DEVONIAN//LATE DEVONIAN

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