Class information for:
Level 1: PLESIOSAURIA//ICHTHYOSAURIA//MOSASAURS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
12098 932 47.7 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
849 2             PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA 11702
12098 1                   PLESIOSAURIA//ICHTHYOSAURIA//MOSASAURS 932

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 PLESIOSAURIA authKW 1738669 6% 96% 55
2 ICHTHYOSAURIA authKW 1638716 5% 98% 51
3 MOSASAURS authKW 983416 4% 73% 41
4 MOSASAURIDAE authKW 964251 4% 89% 33
5 PLESIOSAUR authKW 888791 3% 94% 29
6 SAUROPTERYGIA authKW 823559 3% 93% 27
7 MARINE REPTILES authKW 767889 3% 76% 31
8 ICHTHYOSAUR authKW 702440 3% 79% 27
9 ELASMOSAURIDAE authKW 622473 2% 100% 19
10 PLIOSAURIDAE authKW 491426 2% 100% 15

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 195646 62% 1% 576
2 Geology 7271 12% 0% 116
3 Geosciences, Multidisciplinary 4391 26% 0% 240
4 Evolutionary Biology 424 5% 0% 45
5 Zoology 144 5% 0% 46
6 Biology 133 4% 0% 38
7 Biodiversity Conservation 114 2% 0% 18
8 Multidisciplinary Sciences 104 2% 0% 19
9 Geography, Physical 92 2% 0% 18
10 Ecology 74 4% 0% 40

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 GEOL GEOL MUSEUM 176906 1% 60% 9
2 RED PALEONTOL U CHILE ONTOGENIA FILOGENIA 131043 1% 67% 6
3 OROGEN BELT CRUSTAL EVOLUT 121981 2% 21% 18
4 PALAEOBIOL PROGRAMME 112976 1% 27% 13
5 GEOL MUSEUM 111456 4% 9% 40
6 PALEONTOL VERTEBRADOS 105962 5% 8% 42
7 ANEXOS INVEST 98285 0% 100% 3
8 MUSEUM GEOL PALAONTOL 96911 2% 16% 19
9 NAT HIST MUSEUM GEOL 89176 1% 39% 7
10 HIST TERRE 75888 4% 6% 36

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 328529 16% 7% 152
2 NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW 165809 4% 12% 41
3 PALAEONTOLOGY 41186 5% 2% 51
4 CRETACEOUS RESEARCH 26396 4% 2% 40
5 NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN 17573 3% 2% 27
6 NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-MONATSHEFTE 16026 2% 4% 14
7 NORWEGIAN JOURNAL OF GEOLOGY 15650 1% 4% 12
8 JOURNAL OF PALEONTOLOGY 14250 4% 1% 41
9 ACTA PALAEONTOLOGICA POLONICA 9062 2% 2% 17
10 ALCHERINGA 8968 2% 2% 16

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 PLESIOSAURIA 1738669 6% 96% 55 Search PLESIOSAURIA Search PLESIOSAURIA
2 ICHTHYOSAURIA 1638716 5% 98% 51 Search ICHTHYOSAURIA Search ICHTHYOSAURIA
3 MOSASAURS 983416 4% 73% 41 Search MOSASAURS Search MOSASAURS
4 MOSASAURIDAE 964251 4% 89% 33 Search MOSASAURIDAE Search MOSASAURIDAE
5 PLESIOSAUR 888791 3% 94% 29 Search PLESIOSAUR Search PLESIOSAUR
6 SAUROPTERYGIA 823559 3% 93% 27 Search SAUROPTERYGIA Search SAUROPTERYGIA
7 MARINE REPTILES 767889 3% 76% 31 Search MARINE+REPTILES Search MARINE+REPTILES
8 ICHTHYOSAUR 702440 3% 79% 27 Search ICHTHYOSAUR Search ICHTHYOSAUR
9 ELASMOSAURIDAE 622473 2% 100% 19 Search ELASMOSAURIDAE Search ELASMOSAURIDAE
10 PLIOSAURIDAE 491426 2% 100% 15 Search PLIOSAURIDAE Search PLIOSAURIDAE

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 JI, C , JIANG, DY , MOTANI, R , RIEPPEL, O , HAO, WC , SUN, ZY , (2016) PHYLOGENY OF THE ICHTHYOPTERYGIA INCORPORATING RECENT DISCOVERIES FROM SOUTH CHINA.JOURNAL OF VERTEBRATE PALEONTOLOGY. VOL. 36. ISSUE 1. P. - 61 98% 0
2 BENSON, RBJ , DRUCKENMILLER, PS , (2014) FAUNAL TURNOVER OF MARINE TETRAPODS DURING THE JURASSIC-CRETACEOUS TRANSITION.BIOLOGICAL REVIEWS. VOL. 89. ISSUE 1. P. 1 -23 72 55% 37
3 SACHS, S , HORNUNG, JJ , KEAR, BP , (2016) REAPPRAISAL OF EUROPE'S MOST COMPLETE EARLY CRETACEOUS PLESIOSAURIAN: BRANCASAURUS BRANCAI WEGNER, 1914 FROM THE "WEALDEN FACIES" OF GERMANY.PEERJ. VOL. 4. ISSUE . P. - 54 89% 0
4 BARDET, N , FALCONNET, J , FISCHER, V , HOUSSAYE, A , JOUVE, S , SUBERBIOLA, XP , PEREZ-GARCIA, A , RAGE, JC , VINCENT, P , (2014) MESOZOIC MARINE REPTILE PALAEOBIOGEOGRAPHY IN RESPONSE TO DRIFTING PLATES.GONDWANA RESEARCH. VOL. 26. ISSUE 3-4. P. 869 -887 66 61% 12
5 VINCENT, P , BENSON, RBJ , (2012) ANNINGASAURA, A BASAL PLESIOSAURIAN (REPTILIA, PLESIOSAURIA) FROM THE LOWER JURASSIC OF LYME REGIS, UNITED KINGDOM.JOURNAL OF VERTEBRATE PALEONTOLOGY. VOL. 32. ISSUE 5. P. 1049 -1063 44 100% 2
6 O'GORMAN, JP , OTERO, RA , HILLER, N , SIMES, J , TEREZOW, M , (2017) REDESCRIPTION OF TUARANGISAURUS KEYESI (SAUROPTERYGIA, ELASMOSAURIDAE), A KEY SPECIES FROM THE UPPERMOST CRETACEOUS OF THE WEDDELLIAN PROVINCE: INTERNAL SKULL ANATOMY AND PHYLOGENETIC POSITION.CRETACEOUS RESEARCH. VOL. 71. ISSUE . P. 118 -136 44 90% 0
7 BENSON, RBJ , TAYLOR, MA , EVANS, M , (2015) THE ANATOMY OF STRATESAURUS (REPTILIA, PLESIOSAURIA) FROM THE LOWERMOST JURASSIC OF SOMERSET, UNITED KINGDOM.JOURNAL OF VERTEBRATE PALEONTOLOGY. VOL. 35. ISSUE 4. P. - 39 100% 0
8 OTERO, RA , (2016) TAXONOMIC REASSESSMENT OF HYDRALMOSAURUS AS STYXOSAURUS: NEW INSIGHTS ON THE ELASMOSAURID NECK EVOLUTION THROUGHOUT THE CRETACEOUS.PEERJ. VOL. 4. ISSUE . P. - 38 93% 1
9 BROWN, D , VINCENT, P , BARDET, N , (2013) OSTEOLOGICAL REDESCRIPTION OF THE SKULL OF MICROCLEIDUS HOMALOSPONDYLUS (SAUROPTERYGIA, PLESIOSAURIA) FROM THE LOWER JURASSIC OF ENGLAND.JOURNAL OF PALEONTOLOGY. VOL. 87. ISSUE 4. P. 537-549 39 100% 5
10 FISCHER, V , ARKHANGELSKY, MS , NAISH, D , STENSHIN, IM , USPENSKY, GN , GODEFROIT, P , (2014) SIMBIRSKIASAURUS AND PERVUSHOVISAURUS REASSESSED: IMPLICATIONS FOR THE TAXONOMY AND CRANIAL OSTEOLOGY OF CRETACEOUS PLATYPTERYGIINE ICHTHYOSAURS.ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 171. ISSUE 4. P. 822 -841 38 95% 3

Classes with closest relation at Level 1


Rank Class id link
1 17147 CROCODYLIFORMES//CROCODYLIA//THALATTOSUCHIA
2 7561 NEOSELACHII//ACTINOPTERYGII//NEOPTERYGII
3 17360 PLEURODIRA//TESTUDINES//TESTUDINATA
4 6226 SQUAMATA//GYMNOPHTHALMIDAE//SERPENTES
5 23034 PTEROSAURIA//PTEROSAUR//PTERODACTYLOIDEA
6 2923 TEMNOSPONDYLI//BERNARD PRICE PALAEONTOL//PALEONTOLOGY
7 14246 CETACEA//MYSTICETI//ODONTOCETI
8 430 DINOSAURIA//THEROPODA//DINOSAURS
9 4040 K T BOUNDARY//CRETACEOUS TERTIARY BOUNDARY//MAASTRICHTIAN
10 18183 TRIASSIC JURASSIC BOUNDARY//CENTRAL ATLANTIC MAGMATIC PROVINCE//TRIASSIC JURASSIC

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