Class information for:
Level 1: PLACODERMI//ACANTHODII//SARCOPTERYGII

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5993 1547 52.1 29%


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
849 2             PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA 11702
5993 1                   PLACODERMI//ACANTHODII//SARCOPTERYGII 1547

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 PLACODERMI authKW 812980 3% 94% 44
2 ACANTHODII authKW 449619 2% 84% 27
3 SARCOPTERYGII authKW 433229 2% 73% 30
4 SUB EVOLUTIONARY ORGANISMAL BIOL address 416929 2% 81% 26
5 SUB EVOLUT DEV address 328919 2% 56% 30
6 DEVONIAN authKW 310082 8% 13% 124
7 OSTEOSTRACI authKW 296051 1% 100% 15
8 PLACODERM authKW 284989 1% 76% 19
9 ACTINISTIA authKW 278023 1% 78% 18
10 HETEROSTRACI authKW 276314 1% 100% 14

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 220323 51% 1% 788
2 Anatomy & Morphology 4051 7% 0% 111
3 Geology 3161 6% 0% 100
4 Zoology 2340 13% 0% 206
5 Evolutionary Biology 2311 8% 0% 130
6 Geosciences, Multidisciplinary 1029 10% 0% 162
7 Biology 1023 8% 0% 122
8 Ecology 719 9% 0% 134
9 Marine & Freshwater Biology 357 5% 0% 80
10 Biodiversity Conservation 177 2% 0% 29

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 SUB EVOLUTIONARY ORGANISMAL BIOL 416929 2% 81% 26
2 SUB EVOLUT DEV 328919 2% 56% 30
3 ORGANISMAL BIOL 133114 3% 16% 43
4 SESES 97159 1% 62% 8
5 WESTERN AUSTRALIAN ORGAN ISOTOPE GEOCHEM 93974 1% 48% 10
6 STUDY EARTH MAN 78947 0% 100% 4
7 MUCEP 71047 0% 60% 6
8 PALEONTOL WERKKAMER 59210 0% 100% 3
9 EARTH SCI MUSEUM 53053 1% 24% 11
10 PHYSIOL DEV BIOL 51484 2% 8% 31

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 VERTEBRATE PALEONTOLOGY 203047 10% 7% 154
2 PALAEONTOLOGY 72211 6% 4% 87
3 VERTEBRATA PALASIATICA 66079 2% 12% 29
4 GEODIVERSITAS 45844 2% 8% 30
5 ALCHERINGA 42797 3% 5% 45
6 TRANSACTIONS OF THE ROYAL SOCIETY OF EDINBURGH-EARTH SCIENCES 24237 1% 5% 23
7 PALEONTOLOGICAL JOURNAL 20139 2% 3% 38
8 JOURNAL OF PALEONTOLOGY 19620 4% 2% 62
9 SCOTTISH JOURNAL OF GEOLOGY 18715 2% 4% 26
10 ACTA ZOOLOGICA 18666 2% 3% 34

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 PLACODERMI 812980 3% 94% 44 Search PLACODERMI Search PLACODERMI
2 ACANTHODII 449619 2% 84% 27 Search ACANTHODII Search ACANTHODII
3 SARCOPTERYGII 433229 2% 73% 30 Search SARCOPTERYGII Search SARCOPTERYGII
4 DEVONIAN 310082 8% 13% 124 Search DEVONIAN Search DEVONIAN
5 OSTEOSTRACI 296051 1% 100% 15 Search OSTEOSTRACI Search OSTEOSTRACI
6 PLACODERM 284989 1% 76% 19 Search PLACODERM Search PLACODERM
7 ACTINISTIA 278023 1% 78% 18 Search ACTINISTIA Search ACTINISTIA
8 HETEROSTRACI 276314 1% 100% 14 Search HETEROSTRACI Search HETEROSTRACI
9 DIPNOI 217578 1% 53% 21 Search DIPNOI Search DIPNOI
10 COELACANTH 213052 1% 47% 23 Search COELACANTH Search COELACANTH

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 BRAZEAU, MD , FRIEDMAN, M , (2014) THE CHARACTERS OF PALAEOZOIC JAWED VERTEBRATES.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 170. ISSUE 4. P. 779 -821 78 77% 7
2 GAI, ZK , YU, XB , ZHU, M , (2017) THE EVOLUTION OF THE ZYGOMATIC BONE FROM AGNATHA TO TETRAPODA.ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY. VOL. 300. ISSUE 1. P. 16 -29 42 82% 1
3 FRIEDMAN, M , BRAZEAU, MD , (2010) A REAPPRAISAL OF THE ORIGIN AND BASAL RADIATION OF THE OSTEICHTHYES.JOURNAL OF VERTEBRATE PALEONTOLOGY. VOL. 30. ISSUE 1. P. 36 -56 58 82% 39
4 BRAZEAU, MD , FRIEDMAN, M , (2015) THE ORIGIN AND EARLY PHYLOGENETIC HISTORY OF JAWED VERTEBRATES.NATURE. VOL. 520. ISSUE 7548. P. 490 -497 42 81% 12
5 FRIEDMAN, M , (2007) STYLOICHTHYS AS THE OLDEST COELACANTH: IMPLICATIONS FOR EARLY OSTEICHTHYAN INTERRELATIONSHIPS.JOURNAL OF SYSTEMATIC PALAEONTOLOGY. VOL. 5. ISSUE 3. P. 289 -343 58 74% 31
6 BURROW, C , DEN BLAAUWEN, J , NEWMAN, M , DAVIDSON, R , (2016) THE DIPLACANTHID FISHES (ACANTHODII, DIPLACANTHIFORMES, DIPLACANTHIDAE) FROM THE MIDDLE DEVONIAN OF SCOTLAND.PALAEONTOLOGIA ELECTRONICA. VOL. 19. ISSUE 1. P. - 36 97% 0
7 GILES, S , COATES, MI , GARWOOD, RJ , BRAZEAU, MD , ATWOOD, R , JOHANSON, Z , FRIEDMAN, M , (2015) ENDOSKELETAL STRUCTURE IN CHEIROLEPIS (OSTEICHTHYES, ACTINOPTERYGII), AN EARLY RAY-FINNED FISH.PALAEONTOLOGY. VOL. 58. ISSUE 5. P. 849 -870 40 85% 2
8 LONG, JA , TRINAJSTIC, K , (2010) THE LATE DEVONIAN GOGO FORMATION LAGERSTATTE OF WESTERN AUSTRALIA: EXCEPTIONAL EARLY VERTEBRATE PRESERVATION AND DIVERSITY.ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES, VOL 38. VOL. 38. ISSUE . P. 255-279 42 81% 33
9 ZHU, YA , ZHU, M , WANG, JQ , (2016) REDESCRIPTION OF YINOSTIUS MAJOR (ARTHRODIRA: HETEROSTIIDAE) FROM THE LOWER DEVONIAN OF CHINA, AND THE INTERRELATIONSHIPS OF BRACHYTHORACI.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 176. ISSUE 4. P. 806 -834 32 97% 0
10 FRIEDMAN, M , (2007) THE INTERRELATIONSHIPS OF DEVONIAN LUNGFISHES (SARCOPTERYGII : DIPNOI) AS INFERRED FROM NEUROCRANIAL EVIDENCE AND NEW DATA FROM THE GENUS SOEDERBERGHIA LEHMAN, 1959.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 151. ISSUE 1. P. 115 -171 49 74% 24

Classes with closest relation at Level 1


Rank Class id link
1 7561 NEOSELACHII//ACTINOPTERYGII//NEOPTERYGII
2 2923 TEMNOSPONDYLI//BERNARD PRICE PALAEONTOL//PALEONTOLOGY
3 6878 BURGESS SHALE//EARLY LIFE//CAMBRIAN
4 35801 GREEN RIVER FORMATION//FISH COPROLITES//ABT MESSELFOR
5 12593 CRYPTOSPORES//EARLY LAND PLANTS//CLADOXYLOPSIDA
6 9867 SUCTION FEEDING//PREY CAPTURE//RAM FEEDING
7 7640 FRASNIAN//DEVONIAN//LATE DEVONIAN
8 9778 TOOTH DEVELOPMENT//ENAMEL KNOT//ODONTOGENESIS
9 6298 RHOMBOMERE//HINDBRAIN//PHARYNGEAL ARCH
10 37570 RAJMAHAL BASIN//RAJMAHAL FORMATION//CRYPTOTHALLUS MIRABILIS

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