Class information for:
Level 1: FRASNIAN//DEVONIAN//LATE DEVONIAN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7640 1344 58.1 26%


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
7640 1                   FRASNIAN//DEVONIAN//LATE DEVONIAN 1344

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 FRASNIAN authKW 1413528 7% 67% 93
2 DEVONIAN authKW 1063468 16% 22% 214
3 LATE DEVONIAN authKW 655440 5% 42% 69
4 GIVETIAN authKW 549739 3% 55% 44
5 FAMENNIAN authKW 538127 4% 41% 58
6 CONODONTS authKW 467744 9% 17% 118
7 FRASNIAN FAMENNIAN BOUNDARY authKW 417440 2% 88% 21
8 HANGENBERG EVENT authKW 390531 1% 90% 19
9 UPPER DEVONIAN authKW 323924 3% 39% 37
10 KELLWASSER CRISIS authKW 319472 1% 94% 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 231723 56% 1% 753
2 Geology 37972 24% 1% 316
3 Geosciences, Multidisciplinary 13249 37% 0% 493
4 Geography, Physical 4750 10% 0% 137
5 Engineering, Petroleum 605 2% 0% 30
6 Energy & Fuels 37 3% 0% 35
7 Geochemistry & Geophysics 32 2% 0% 28
8 Multidisciplinary Sciences 23 1% 0% 13
9 Biodiversity Conservation 15 1% 0% 10
10 Mineralogy 1 0% 0% 4

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 DIAMOND GEOL NOBLE MET 90872 0% 100% 4
2 KATEDRA PALEONTOL STRATYG 90872 0% 100% 4
3 WYDZIAL NAUK ZIEMI 68706 1% 28% 11
4 EARTH SOC ENVIRONM 62905 0% 46% 6
5 EARTH SCI GEOL PALEONTOL 60571 1% 33% 8
6 YAKUTSK 50125 1% 28% 8
7 ABT PALAONTOL HIST GEOL 45436 0% 100% 2
8 EARTH SYST SCI GEOL 45436 0% 100% 2
9 KATEDRA PALEONTOL STRATYGRAFII 45436 0% 100% 2
10 SECT MICROPALEONTOL PALEOBOT 45436 0% 100% 2

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 115597 10% 4% 140
2 BULLETIN OF GEOSCIENCES 107721 3% 11% 44
3 GEOLOGICA BELGICA 87625 2% 12% 31
4 ACTA PALAEONTOLOGICA POLONICA 68332 4% 5% 56
5 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 52470 10% 2% 133
6 NEWSLETTERS ON STRATIGRAPHY 35186 2% 6% 25
7 GEOBIOS 32600 4% 3% 50
8 PALEONTOLOGICHESKII ZHURNAL 31522 3% 4% 36
9 FACIES 25487 2% 4% 29
10 LETHAIA 22465 3% 3% 37

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 FRASNIAN 1413528 7% 67% 93 Search FRASNIAN Search FRASNIAN
2 DEVONIAN 1063468 16% 22% 214 Search DEVONIAN Search DEVONIAN
3 LATE DEVONIAN 655440 5% 42% 69 Search LATE+DEVONIAN Search LATE+DEVONIAN
4 GIVETIAN 549739 3% 55% 44 Search GIVETIAN Search GIVETIAN
5 FAMENNIAN 538127 4% 41% 58 Search FAMENNIAN Search FAMENNIAN
6 CONODONTS 467744 9% 17% 118 Search CONODONTS Search CONODONTS
7 FRASNIAN FAMENNIAN BOUNDARY 417440 2% 88% 21 Search FRASNIAN+FAMENNIAN+BOUNDARY Search FRASNIAN+FAMENNIAN+BOUNDARY
8 HANGENBERG EVENT 390531 1% 90% 19 Search HANGENBERG+EVENT Search HANGENBERG+EVENT
9 UPPER DEVONIAN 323924 3% 39% 37 Search UPPER+DEVONIAN Search UPPER+DEVONIAN
10 KELLWASSER CRISIS 319472 1% 94% 15 Search KELLWASSER+CRISIS Search KELLWASSER+CRISIS

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 HUANG, C , GONG, YM , (2016) TIMING AND PATTERNS OF THE FRASNIAN-FAMENNIAN EVENT: EVIDENCES FROM HIGH-RESOLUTION CONODONT BIOSTRATIGRAPHY AND EVENT STRATIGRAPHY AT THE YANGDI SECTION, GUANGXI, SOUTH CHINA.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 448. ISSUE . P. 317 -338 54 82% 0
2 CARMICHAEL, SK , WATERS, JA , BATCHELOR, CJ , COLEMAN, DM , SUTTNER, TJ , KIDO, E , MOORE, LM , CHADIMOVA, L , (2016) CLIMATE INSTABILITY AND TIPPING POINTS IN THE LATE DEVONIAN: DETECTION OF THE HANGENBERG EVENT IN AN OPEN OCEANIC ISLAND ARC IN THE CENTRAL ASIAN OROGENIC BELT.GONDWANA RESEARCH. VOL. 32. ISSUE . P. 213 -231 66 53% 3
3 MA, XP , GONG, YM , CHEN, DZ , RACKI, G , CHEN, XQ , LIAO, WH , (2016) THE LATE DEVONIAN FRASNIAN-FAMENNIAN EVENT IN SOUTH CHINA - PATTERNS AND CAUSES OF EXTINCTIONS, SEA LEVEL CHANGES, AND ISOTOPE VARIATIONS.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 448. ISSUE . P. 224 -244 53 66% 0
4 RAKOCINSKI, M , PISARZOWSKA, A , JANISZEWSKA, K , SZREK, P , (2016) DEPOSITIONAL CONDITIONS DURING THE LOWER KELLWASSER EVENT (LATE FRASNIAN) IN THE DEEP-SHELF YSOGORY BASIN OF THE HOLY CROSS MOUNTAINS POLAND.LETHAIA. VOL. 49. ISSUE 4. P. 571 -590 53 63% 0
5 BOND, DPG , WIGNALL, PB , (2008) THE ROLE OF SEA-LEVEL CHANGE AND MARINE ANOXIA IN THE FRASNIAN-FAMENNIAN (LATE DEVONIAN) MASS EXTINCTION.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 263. ISSUE 3-4. P. 107 -118 38 90% 35
6 BULTYNCK, P , BECKER, RT , ABOUSSALAM, ZS , (2015) EMSIAN (LOWER DEVONIAN) CONODONT STRATIGRAPHY AND CORRELATION OF THE ANTI- ATLAS (SOUTHERN MOROCCO).BULLETIN OF GEOSCIENCES. VOL. 90. ISSUE 4. P. 893 -980 36 82% 1
7 RODRIGUEZ-CANERO, R , MARTIN-ALGARRA, A , (2014) FRASNIAN-FAMENNIAN CRISIS IN THE MALAGUIDE COMPLEX (BETIC CORDILLERA, SPAIN).TERRA NOVA. VOL. 26. ISSUE 1. P. 38-54 37 80% 1
8 COPPER, P , (2002) REEF DEVELOPMENT AT THE FRASNIAN/FAMENNIAN MASS EXTINCTION BOUNDARY.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 181. ISSUE 1-3. P. 27 -65 61 59% 88
9 DA SILVA, AC , WHALEN, MT , HLADIL, J , KOPTIKOVA, L , CHEN, DZ , SPASSOV, S , BOULVAIN, F , DEVLEESCHOUWER, X , (2014) APPLICATION OF MAGNETIC SUSCEPTIBILITY AS A PALEOCLIMATIC PROXY ON PALEOZOIC SEDIMENTARY ROCKS AND CHARACTERIZATION OF THE MAGNETIC SIGNAL - IGCP-580 PROJECTS AND EVENTS.EPISODES. VOL. 37. ISSUE 2. P. 87 -95 37 80% 0
10 KLAPPER, G , KIRCHGASSER, WT , (2016) FRASNIAN LATE DEVONIAN CONODONT BIOSTRATIGRAPHY IN NEW YORK: GRAPHIC CORRELATION AND TAXONOMY.JOURNAL OF PALEONTOLOGY. VOL. 90. ISSUE 3. P. 525 -554 25 100% 1

Classes with closest relation at Level 1


Rank Class id link
1 12968 VISEAN//MISSISSIPPIAN//SERPUKHOVIAN
2 15772 TABULATA//ARCHAEOCYATHA//ARCHAEOCYATHS
3 19082 SERPULIDAE//TUBE ULTRASTRUCTURE//BIOCLAUSTRATIONS
4 14946 PARANA BASIN//MIOSPORES//PAGANZO BASIN
5 7539 CARNIAN//CARBONATE PLATFORM//UPPER TRIASSIC
6 1017 ORDOVICIAN//GRAPTOLITES//SILURIAN
7 12031 COLEOIDEA//NAUTILOIDEA//AMMONOIDEA
8 18525 BRACHIOPODA//BRACHIOPODS//RECENT BRACHIOPODS
9 3038 PERMIAN TRIASSIC BOUNDARY//EARLY TRIASSIC//PERMIAN
10 3921 DOLOMITIZATION//JOURNAL OF SEDIMENTARY PETROLOGY//CARBONATES AND EVAPORITES

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