Class information for:
Level 1: SEKT ORNITHOL//FOSSIL BIRDS//AVES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
6666 1458 47.6 41%


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
119 3       ORNITHOLOGY//AUK//CONDOR 68861
817 2             ORNITHOLOGY//REVISTA BRASILEIRA DE ORNITOLOGIA//BIRD SONG 11950
6666 1                   SEKT ORNITHOL//FOSSIL BIRDS//AVES 1458

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 SEKT ORNITHOL address 1933869 7% 94% 98
2 FOSSIL BIRDS authKW 1847019 7% 84% 105
3 AVES authKW 478831 8% 21% 110
4 PHASIANIDAE authKW 304363 2% 58% 25
5 SPHENISCIDAE authKW 266712 2% 58% 22
6 ORNITHOL SECT address 220031 2% 31% 34
7 ARINI authKW 190377 1% 91% 10
8 GALLIFORMES authKW 168804 2% 25% 32
9 SECT BIRDS address 161085 1% 77% 10
10 PALEONTOL VERTEBRADOS address 157276 4% 12% 64

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 Ornithology 64127 22% 1% 322
2 Paleontology 42899 23% 1% 339
3 Evolutionary Biology 15651 22% 0% 318
4 Genetics & Heredity 3397 21% 0% 305
5 Zoology 2402 14% 0% 202
6 Ecology 567 8% 0% 117
7 Biodiversity Conservation 434 3% 0% 42
8 Biology 388 5% 0% 77
9 Geosciences, Multidisciplinary 166 5% 0% 74
10 Anatomy & Morphology 123 1% 0% 21

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 ORNITHOL 1933869 7% 94% 98
2 ORNITHOL SECT 220031 2% 31% 34
3 SECT BIRDS 161085 1% 77% 10
4 PALEONTOL VERTEBRADOS 157276 4% 12% 64
5 GENET CELL ORGANISM BIOL 62825 0% 100% 3
6 ORNITHOL 56223 4% 5% 59
7 BIRDS 44471 1% 13% 17
8 ECOL FILOGENIA CONSERVACAO AVES NEOTROPICAI 41883 0% 100% 2
9 ENDANGERED SPECIES CONSERVAT BIOL 41883 0% 100% 2
10 CHAIR EVOLUTIONARY BIOL ECOL 37225 0% 44% 4

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 MITOCHONDRIAL DNA PART A 42153 4% 4% 56
2 AUK 39020 6% 2% 83
3 JOURNAL OF VERTEBRATE PALEONTOLOGY 35984 4% 3% 63
4 MOLECULAR PHYLOGENETICS AND EVOLUTION 22699 5% 1% 76
5 PALAEONTOLOGISCHE ZEITSCHRIFT 18770 1% 5% 19
6 JOURNAL OF ORNITHOLOGY 16441 3% 2% 38
7 IBIS 15821 3% 2% 46
8 RECORDS OF THE AUSTRALIAN MUSEUM 14712 1% 6% 11
9 MITOCHONDRIAL DNA 13371 2% 3% 24
10 ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY 12903 2% 2% 36

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 FOSSIL BIRDS 1847019 7% 84% 105 Search FOSSIL+BIRDS Search FOSSIL+BIRDS
2 AVES 478831 8% 21% 110 Search AVES Search AVES
3 PHASIANIDAE 304363 2% 58% 25 Search PHASIANIDAE Search PHASIANIDAE
4 SPHENISCIDAE 266712 2% 58% 22 Search SPHENISCIDAE Search SPHENISCIDAE
5 ARINI 190377 1% 91% 10 Search ARINI Search ARINI
6 GALLIFORMES 168804 2% 25% 32 Search GALLIFORMES Search GALLIFORMES
7 NEOAVES 154203 1% 82% 9 Search NEOAVES Search NEOAVES
8 FOSSIL PENGUIN 148917 1% 89% 8 Search FOSSIL+PENGUIN Search FOSSIL+PENGUIN
9 SPHENISCIFORMES 148901 1% 44% 16 Search SPHENISCIFORMES Search SPHENISCIFORMES
10 COLIIFORMES 141352 1% 75% 9 Search COLIIFORMES Search COLIIFORMES

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 LIVEZEY, BC , ZUSI, RL , (2007) HIGHER-ORDER PHYLOGENY OF MODERN BIRDS (THEROPODA, AVES : NEORNITHES) BASED ON COMPARATIVE ANATOMY. II. ANALYSIS AND DISCUSSION.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 149. ISSUE 1. P. 1 -95 222 39% 269
2 KSEPKA, D , CLARKE, J , (2015) PHYLOGENETICALLY VETTED AND STRATIGRAPHICALLY CONSTRAINED FOSSIL CALIBRATIONS WITHIN AVES.PALAEONTOLOGIA ELECTRONICA. VOL. 18. ISSUE 1. P. - 92 73% 0
3 MAYR, G , (2005) THE PALEOGENE FOSSIL RECORD OF BIRDS IN EUROPE.BIOLOGICAL REVIEWS. VOL. 80. ISSUE 4. P. 515 -542 77 89% 110
4 MAYR, G , (2011) METAVES, MIRANDORNITHES, STRISORES AND OTHER NOVELTIES - A CRITICAL REVIEW OF THE HIGHER-LEVEL PHYLOGENY OF NEORNITHINE BIRDS.JOURNAL OF ZOOLOGICAL SYSTEMATICS AND EVOLUTIONARY RESEARCH. VOL. 49. ISSUE 1. P. 58 -76 67 83% 35
5 MAYR, G , (2016) VARIATIONS IN THE HYPOTARSUS MORPHOLOGY OF BIRDS AND THEIR EVOLUTIONARY SIGNIFICANCE.ACTA ZOOLOGICA. VOL. 97. ISSUE 2. P. 196 -210 32 86% 7
6 MAYR, G , (2014) FRONTIERS IN PALAEONTOLOGY THE ORIGINS OF CROWN GROUP BIRDS: MOLECULES AND FOSSILS.PALAEONTOLOGY. VOL. 57. ISSUE 2. P. 231 -242 38 88% 19
7 KSEPKA, DT , CLARKE, JA , GRANDE, L , (2011) STEM PARROTS (AYES, HALCYORNITHIDAE) FROM THE GREEN RIVER FORMATION AND A COMBINED PHYLOGENY OF PAN-PSITTACIFORMES.JOURNAL OF PALEONTOLOGY. VOL. 85. ISSUE 5. P. 835 -852 42 84% 9
8 SMITH, ND , (2010) PHYLOGENETIC ANALYSIS OF PELECANIFORMES (AVES) BASED ON OSTEOLOGICAL DATA: IMPLICATIONS FOR WATERBIRD PHYLOGENY AND FOSSIL CALIBRATION STUDIES.PLOS ONE. VOL. 5. ISSUE 10. P. - 53 61% 34
9 ZELENKOV, NV , (2014) STAGES IN THE EVOLUTION OF MODERN TAXONOMIC DIVERSITY OF BIRDS (BASED ON PALEONTOLOGICAL DATA).ZOOLOGICHESKY ZHURNAL. VOL. 93. ISSUE 10. P. 1173 -1185 43 74% 0
10 SMITH, ND , KSEPKA, DT , (2015) FIVE WELL-SUPPORTED FOSSIL CALIBRATIONS WITHIN THE "WATERBIRD" ASSEMBLAGE (TETRAPODA, AVES).PALAEONTOLOGIA ELECTRONICA. VOL. 18. ISSUE 1. P. - 51 60% 0

Classes with closest relation at Level 1


Rank Class id link
1 33887 PLEXUS SACRALIS//CLAW GEOMETRY//UNIV MUSEUM SYST
2 4265 MUSEUM NAT SCI//ORNITHOLOGY//ORNITOLOGIA NEOTROPICAL
3 30603 GALLINULA CHLOROPUS GUAMI//MARIANA COMMON MOORHEN//MARKER DISCORDANCE
4 24397 BILL AND HYOID APPARATUS//PECKING//NUCLEUS BASALIS PROSENCEPHALI
5 26822 ACROCEPHALUS BREVIPENNIS//WESTERN FLYCATCHERS//ZOOL TIEROKOL
6 23176 COMPARATIVE DETERMINANT ANALYSIS//ABT IMMUNOGENET//AND MACROEVOLUTION
7 29360 MAURITIUS HERBARIUM//BIRD GRP//DODO RAPHUS CUCULLATUS
8 31426 CATEDRA BIOL COMPORTAMIENTO//BASILISCUS VITTATUS//BHA BIOL INTEGRAL IMPACT AMBIENTAL
9 430 DINOSAURIA//THEROPODA//DINOSAURS
10 922 SYSTEMATIC BIOLOGY//PHYLOGENETIC NETWORK//PHYLOGENETIC TREE

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