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

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
6931 1350 54.7 24%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
47 30591 PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//AMMONITES

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 FRASNIAN Author keyword 90 64% 6% 87
2 DEVONIAN Author keyword 55 23% 16% 214
3 ATRYPIDA Author keyword 45 94% 1% 16
4 KELLWASSER CRISIS Author keyword 42 94% 1% 15
5 GIVETIAN Author keyword 37 56% 3% 45
6 FRASNIAN FAMENNIAN BOUNDARY Author keyword 29 77% 1% 20
7 LATE DEVONIAN Author keyword 23 36% 4% 52
8 HANGENBERG EVENT Author keyword 21 78% 1% 14
9 FAMENNIAN Author keyword 20 35% 3% 47
10 FRASNIAN FAMENNIAN Author keyword 19 71% 1% 15

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 FRASNIAN 90 64% 6% 87 Search FRASNIAN Search FRASNIAN
2 DEVONIAN 55 23% 16% 214 Search DEVONIAN Search DEVONIAN
3 ATRYPIDA 45 94% 1% 16 Search ATRYPIDA Search ATRYPIDA
4 KELLWASSER CRISIS 42 94% 1% 15 Search KELLWASSER+CRISIS Search KELLWASSER+CRISIS
5 GIVETIAN 37 56% 3% 45 Search GIVETIAN Search GIVETIAN
6 FRASNIAN FAMENNIAN BOUNDARY 29 77% 1% 20 Search FRASNIAN+FAMENNIAN+BOUNDARY Search FRASNIAN+FAMENNIAN+BOUNDARY
7 LATE DEVONIAN 23 36% 4% 52 Search LATE+DEVONIAN Search LATE+DEVONIAN
8 HANGENBERG EVENT 21 78% 1% 14 Search HANGENBERG+EVENT Search HANGENBERG+EVENT
9 FAMENNIAN 20 35% 3% 47 Search FAMENNIAN Search FAMENNIAN
10 FRASNIAN FAMENNIAN 19 71% 1% 15 Search FRASNIAN+FAMENNIAN Search FRASNIAN+FAMENNIAN

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 CYCLOSTRATIGRAPHY MSEC 58 88% 2% 28
2 MAGNETOSUSCEPTIBILITY EVENT 55 87% 2% 27
3 FRASNIAN FAMENNIAN BOUNDARY 47 62% 4% 49
4 EIFELIAN GIVETIAN GSSP 42 94% 1% 15
5 DEVONIAN MASS EXTINCTION 32 88% 1% 15
6 POLYGNATHUS 26 100% 1% 11
7 CARBONIFEROUS BOUNDARY 26 87% 1% 13
8 MAGNETOSTRATIGRAPHY SUSCEPTIBILITY 25 77% 1% 17
9 SILURIAN BIOSTROME 22 81% 1% 13
10 CANNING BASIN 21 39% 3% 42

Journals



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 BULLETIN OF GEOSCIENCES 5 12% 3% 42
2 GEOLOGICA BELGICA 5 15% 2% 31

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Strength, timing, setting and cause of mid-Palaeozoic extinctions 2002 131 35 80%
Late Devonian-earliest Mississippian glaciation in Gondwanaland and its biogeographic consequences 2008 50 20 30%
Devonian/Lower Carboniferous stratigraphy, facies patterns and palaeogeography of Iran - Part II. Northern and central Iran 2005 43 20 35%
Revision of selected North American and Eurasian Late Devonian (Frasnian) species of Cyrtospirifer and Regelia (Brachiopoda) 2003 10 8 100%
Frasnian conodonts from the eastern Russian Platform 2008 7 24 92%
Conodont biostratigraphy of the Chattanooga Shale, middle and upper Devonian, southern Appalachian Basin, Eastern United States 2007 7 21 90%
Carbon isotope stratigraphy of the Devonian of Central and Southern Europe 2006 57 52 46%
Late Frasnian-Famennian climates based on palynomorph analyses and the question of the Late Devonian glaciations 2000 116 90 40%
Reef development at the Frasnian/Famennian mass extinction boundary 2002 74 103 56%
Selected benthic faunas from the Devonian of the Ardennes: an estimation of palaeobiodiversity 2007 6 9 89%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 DIAMOND GEOL NOBLE MET 6 100% 0.3% 4
2 UNITE PALEONTOL ANIM HUMAINE 5 63% 0.4% 5
3 EARTH SOC ENVIRONM 5 55% 0.4% 6
4 KATEDRA PALEONTOL STRATYG 4 75% 0.2% 3
5 WYDZIAL NAUK ZIEMI 4 30% 0.7% 10
6 UMR 6538UFR SCI TECH 2 67% 0.1% 2
7 YAKUTSK 2 24% 0.5% 7
8 ECOSTRATIG PALAEOBIOL 2 17% 0.6% 8
9 BIOGEN TRACES SEDIMENTARY MINERALS HENA 1 25% 0.4% 5
10 ABT PALAONTOL HIST GEOL 1 100% 0.1% 2

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000179123 TABULATA//ARCHAEOCYATHA//HETERACTINIDA
2 0.0000157643 VISEAN//MISSISSIPPIAN//SERPUKHOVIAN
3 0.0000135600 CRYPTOSPORES//EARLY LAND PLANTS//CLADOXYLOPSIDA
4 0.0000125293 SERPULIDAE//SPIRORBIDAE//TUBE ULTRASTRUCTURE
5 0.0000107106 GRAPTOLITES//ORDOVICIAN//CHITINOZOANS
6 0.0000088968 GIONYAMA FORMATION//DITOMOPYGINAE//LIFE ASSEMBLAGES
7 0.0000087910 PLACODERMI//ACANTHODII//OSTEOSTRACI
8 0.0000079471 BRACHIOPODA//LINGULATA//TOMMOTIIDA
9 0.0000077920 CARBONATE PLATFORM//CARNIAN//MIDDLE TRIASSIC
10 0.0000069329 NAUTILOIDEA//COLEOIDEA//PALEONTOL INVERTEBRATES