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

Basic class information
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
11 4 ECOLOGY//ZOOLOGY//MARINE & FRESHWATER BIOLOGY 1214215
313 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//PALAEONTOLOGY 39731
300 2             PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//ORDOVICIAN 18876
886 1                   ORDOVICIAN//GRAPTOLITES//SILURIAN 3028
2563 1                   PERMIAN TRIASSIC BOUNDARY//PERMIAN//EARLY TRIASSIC 2240
3254 1                   TRILOBITES//CAMBRIAN//TRILOBITA 2060
5021 1                   PALEOBIOLOGY//PALEONTOLOGY//MACROEVOLUTION 1714
8089 1                   BRYOZOA//CHEILOSTOMATA//BRYOZOANS 1317
8787 1                   FRASNIAN//DEVONIAN//LATE DEVONIAN 1248
9657 1                   CRINOIDEA//CRINOIDS//ECHINODERMATA 1165
10630 1                   MISSISSIPPIAN//VISEAN//SERPUKHOVIAN 1077
11727 1                   COLEOIDEA//NAUTILOIDEA//PALEONTOL INVERTEBRATES 987
14490 1                   POLYPLACOPHORA//SOLENOGASTRES//APLACOPHORA 797
14491 1                   BRACHIOPODA//BRACHIOPODS//LINGULATA 797
14519 1                   STROMATOPOROIDS//TABULATA//STROMATOPOROIDEA 794
17480 1                   SERPULIDAE//SPIRORBIDAE//TUBE ULTRASTRUCTURE 625
17671 1                   SHELL CONCENTRATIONS//AMINO ACID RACEMIZATION//BIOMOL STRATIG 616
27258 1                   RADIOLARIA//GIONYAMA FORMATION//TYPES OF SYMMETRY 254
32084 1                   CONULARIIDS//LEPTOSTRACA//SPHENOTHALLUS 157

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PALEONTOLOGY WoSSC 3033551 54% 18% 10209
2 JOURNAL OF PALEONTOLOGY journal 1321102 9% 45% 1761
3 ORDOVICIAN authKW 778244 4% 63% 736
4 LETHAIA journal 657854 4% 53% 743
5 CONODONTS authKW 581536 3% 70% 497
6 PALEOBIOLOGY journal 529709 3% 49% 655
7 BRACHIOPODA authKW 528058 2% 82% 385
8 SILURIAN authKW 522510 3% 63% 498
9 PALAEONTOLOGY journal 472070 4% 37% 774
10 TRILOBITES authKW 465917 2% 86% 325

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Paleontology 3033551 54% 18% 10209
2 Geology 213740 15% 5% 2818
3 Geosciences, Multidisciplinary 81390 25% 1% 4660
4 Geography, Physical 24861 6% 1% 1202
5 Evolutionary Biology 23329 8% 1% 1452
6 Biodiversity Conservation 20879 5% 1% 1012
7 Ecology 8442 9% 0% 1623
8 Marine & Freshwater Biology 4350 5% 0% 974
9 Zoology 4015 6% 0% 1057
10 Multidisciplinary Sciences 1200 2% 0% 309

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NANJING GEOL PALAEONTOL 331074 3% 34% 584
2 GEOL 236508 17% 5% 3166
3 STATE PALAEOBIOL STRATIG 143495 2% 30% 286
4 PALAEONTOL 131054 2% 18% 434
5 EARLY LIFE 115415 0% 77% 90
6 PALEONTOL 113673 3% 13% 530
7 EARTH SCI 93547 11% 3% 2042
8 PALEOBIOL 89868 2% 16% 336
9 UMR 8014 72972 0% 72% 61
10 EARTH SCI PALAEOBIOL 72535 0% 74% 59

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF PALEONTOLOGY 1321102 9% 45% 1761
2 LETHAIA 657854 4% 53% 743
3 PALEOBIOLOGY 529709 3% 49% 655
4 PALAEONTOLOGY 472070 4% 37% 774
5 BULLETIN OF GEOSCIENCES 216182 1% 55% 234
6 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 207526 5% 13% 991
7 PALAIOS 186144 2% 29% 380
8 PALEONTOLOGICHESKII ZHURNAL 183691 2% 34% 323
9 ALCHERINGA 174890 2% 33% 319
10 GFF 173221 2% 35% 295

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ORDOVICIAN 778244 4% 63% 736 Search ORDOVICIAN Search ORDOVICIAN
2 CONODONTS 581536 3% 70% 497 Search CONODONTS Search CONODONTS
3 BRACHIOPODA 528058 2% 82% 385 Search BRACHIOPODA Search BRACHIOPODA
4 SILURIAN 522510 3% 63% 498 Search SILURIAN Search SILURIAN
5 TRILOBITES 465917 2% 86% 325 Search TRILOBITES Search TRILOBITES
6 BRACHIOPODS 465839 2% 69% 404 Search BRACHIOPODS Search BRACHIOPODS
7 CAMBRIAN 464431 3% 53% 528 Search CAMBRIAN Search CAMBRIAN
8 BRYOZOA 409743 2% 66% 375 Search BRYOZOA Search BRYOZOA
9 GRAPTOLITES 352020 1% 87% 244 Search GRAPTOLITES Search GRAPTOLITES
10 DEVONIAN 282275 2% 41% 413 Search DEVONIAN Search DEVONIAN

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 187 PALEONTOLOGY//GEOLOGY//AMMONITES
2 831 TRACE FOSSILS//GEOLOGY//SEDIMENTOLOGY
3 1354 AMERICAN FERN JOURNAL//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//FERNS
4 3416 PYCNOGONIDA//SEA SPIDERS//ONYCHOPHORA
5 803 PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA
6 290 MARINE & FRESHWATER BIOLOGY//VELIGER//JOURNAL OF SHELLFISH RESEARCH
7 2159 ACID SULFATE SOILS//MARINE HYDROPHYS//ACID SULPHATE SOILS
8 1488 SEA URCHIN//ECHINODERM//ECHINOID
9 3706 CIRRIPEDIA//RHIZOCEPHALA//THORACICA
10 2364 OSTRACODA//COPEPODA//HARPACTICOIDA

Go to start page