Class information for:
Level 1: OPHIUROIDEA//ASTEROIDEA//OPHIUROID

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
11737 958 42.4 34%


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
13 3       MARINE & FRESHWATER BIOLOGY//JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY//OCEANOGRAPHY 129490
1368 2             SEA URCHIN//ECHINODERM//SEA CUCUMBER 8222
11737 1                   OPHIUROIDEA//ASTEROIDEA//OPHIUROID 958

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 OPHIUROIDEA authKW 1041124 6% 58% 56
2 ASTEROIDEA authKW 1007507 7% 45% 70
3 OPHIUROID authKW 701534 4% 51% 43
4 BRITTLE STAR authKW 419547 3% 42% 31
5 ECHINODERMATA authKW 354915 7% 17% 67
6 GONIASTERIDAE authKW 289749 1% 91% 10
7 SEA STAR authKW 227615 3% 24% 30
8 AMPHIPHOLIS SQUAMATA authKW 198585 1% 69% 9
9 EURYALIDA authKW 195218 1% 88% 7
10 AMPHIURIDAE authKW 191235 1% 100% 6

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 Marine & Freshwater Biology 27506 49% 0% 473
2 Paleontology 4196 9% 0% 87
3 Zoology 4098 22% 0% 208
4 Oceanography 3403 14% 0% 131
5 Ecology 2473 19% 0% 180
6 Biology 719 8% 0% 80
7 Evolutionary Biology 635 6% 0% 55
8 Biodiversity Conservation 367 3% 0% 31
9 Geology 109 2% 0% 16
10 Multidisciplinary Sciences 40 1% 0% 13

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 ECHINODERMATA 104305 1% 55% 6
2 BIO ERS EVOLUTIONARY BIOL PROGRAM 63745 0% 100% 2
3 L EMAR 63745 0% 100% 2
4 MHNMC 63745 0% 100% 2
5 SMITHSONIAN INVERTEBRATE ZOOL 63745 0% 100% 2
6 DPTO EVOLUC CUENCAS 57368 0% 60% 3
7 COLECC NACL EQUINODERMOS M ELENA CASO M 42495 0% 67% 2
8 ENVIRONM MARIN 42495 0% 67% 2
9 ADV STUDY GENOM 31873 0% 100% 1
10 BAIRO UNIV 31873 0% 100% 1

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 MARINE BIOLOGY 36895 11% 1% 102
2 JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY 13561 6% 1% 58
3 JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM 11137 4% 1% 41
4 BIOLOGICAL BULLETIN 10912 3% 1% 33
5 JOURNAL OF PALEONTOLOGY 9520 4% 1% 34
6 INVERTEBRATE BIOLOGY 8247 1% 2% 14
7 BULLETIN OF MARINE SCIENCE 7173 3% 1% 28
8 MARINE BEHAVIOUR AND PHYSIOLOGY 5175 1% 2% 7
9 PROCEEDINGS OF THE ROYAL IRISH ACADEMY SECTION B-BIOLOGICAL GEOLOGICAL AND CHEMICAL SCIENCE 5131 1% 3% 5
10 OPHELIA 4811 1% 1% 11

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 OPHIUROIDEA 1041124 6% 58% 56 Search OPHIUROIDEA Search OPHIUROIDEA
2 ASTEROIDEA 1007507 7% 45% 70 Search ASTEROIDEA Search ASTEROIDEA
3 OPHIUROID 701534 4% 51% 43 Search OPHIUROID Search OPHIUROID
4 BRITTLE STAR 419547 3% 42% 31 Search BRITTLE+STAR Search BRITTLE+STAR
5 ECHINODERMATA 354915 7% 17% 67 Search ECHINODERMATA Search ECHINODERMATA
6 GONIASTERIDAE 289749 1% 91% 10 Search GONIASTERIDAE Search GONIASTERIDAE
7 SEA STAR 227615 3% 24% 30 Search SEA+STAR Search SEA+STAR
8 AMPHIPHOLIS SQUAMATA 198585 1% 69% 9 Search AMPHIPHOLIS+SQUAMATA Search AMPHIPHOLIS+SQUAMATA
9 EURYALIDA 195218 1% 88% 7 Search EURYALIDA Search EURYALIDA
10 AMPHIURIDAE 191235 1% 100% 6 Search AMPHIURIDAE Search AMPHIURIDAE

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 BLAKE, DB , MAH, CL , (2012) GLOBAL DIVERSITY AND PHYLOGENY OF THE ASTEROIDEA (ECHINODERMATA).PLOS ONE. VOL. 7. ISSUE 4. P. - 76 59% 17
2 GALE, AS , (2011) THE PHYLOGENY OF POST-PALAEOZOIC ASTEROIDEA (NEOASTEROIDEA, ECHINODERMATA).PHYLOGENY OF POST-PALAEOZOIC ASTEROIDEA (NEOASTEROIDEA, ECHINODERMATA). VOL. . ISSUE 85. P. 5 -112 40 89% 6
3 BLAKE, DB , MAH, CL , (2014) COMMENTS ON "THE PHYLOGENY OF POST-PALAEOZOIC ASTEROIDEA (NEOASTEROIDEA, ECHINODERMATA)" BY AS GALE AND PERSPECTIVES ON THE SYSTEMATICS OF THE ASTEROIDEA.ZOOTAXA. VOL. 3779. ISSUE 2. P. 177 -194 43 75% 1
4 MAH, C , FOLTZ, D , (2011) MOLECULAR PHYLOGENY OF THE VALVATACEA (ASTEROIDEA: ECHINODERMATA).ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY. VOL. 161. ISSUE 4. P. 769 -788 31 78% 14
5 LAWRENCE, JM , (2010) ENERGETIC COSTS OF LOSS AND REGENERATION OF ARMS IN STELLATE ECHINODERMS.INTEGRATIVE AND COMPARATIVE BIOLOGY. VOL. 50. ISSUE 4. P. 506 -514 26 79% 11
6 YOKOYAMA, LQ , AMARAL, ACZ , (2010) ARM REGENERATION IN TWO POPULATIONS OF OPHIONEREIS RETICULATA (ECHINODERMATA, OPHIUROIDEA).IHERINGIA SERIE ZOOLOGIA. VOL. 100. ISSUE 2. P. 123 -127 21 95% 1
7 LANDSCHOFF, J , GRIFFITHS, CL , (2015) BROODING BEHAVIOR IN THE SHALLOW-WATER BRITTLE STAR OPHIODERMA WAHLBERGII.INVERTEBRATE BIOLOGY. VOL. 134. ISSUE 2. P. 168 -179 18 90% 1
8 BYRNE, M , CISTERNAS, P , O'HARA, T , (2008) BROODING OF PELAGIC-TYPE LARVAE IN OPHIOPEZA SPINOSA: REPRODUCTION AND DEVELOPMENT IN A TROPICAL OPHIODERMATID BRITTLESTAR.INVERTEBRATE BIOLOGY. VOL. 127. ISSUE 1. P. 98 -107 23 82% 9
9 DAUVIN, JC , MEAR, Y , MURAT, A , POIZOT, E , LOZACH, S , BERYOUNI, K , (2013) INTERACTIONS BETWEEN AGGREGATIONS AND ENVIRONMENTAL FACTORS EXPLAIN SPATIO-TEMPORAL PATTERNS OF THE BRITTLE-STAR OPHIOTHRIX FRAGILIS IN THE EASTERN BAY OF SEINE.ESTUARINE COASTAL AND SHELF SCIENCE. VOL. 131. ISSUE . P. 171 -181 20 80% 2
10 RUBILAR, T , MERETTA, PE , CLEDON, M , (2015) REGENERATION RATE AFTER FISSION IN THE FISSIPAROUS SEA STAR ALLOSTICHASTER CAPENSIS (ASTEROIDEA).REVISTA DE BIOLOGIA TROPICAL. VOL. 63. ISSUE . P. 321 -328 18 86% 0

Classes with closest relation at Level 1


Rank Class id link
1 15967 MUTABLE COLLAGENOUS TISSUE//ECHINODERM//SALMFAMIDE
2 16851 OFFSPRING SIZE//EGG SIZE//DENDRASTER EXCENTRICUS
3 28206 LOW SALINITY LAYER//FIORD//ISOSMOTICITY
4 13505 SEA CUCUMBER//HOLOTHUROIDEA//APOSTICHOPUS JAPONICUS
5 21614 ECHINOIDEA//ECHINOID//SPATANGOIDS
6 9918 CRINOIDEA//CRINOIDS//ECHINODERMATA
7 25659 ACANTHASTER PLANCI//CROWN OF THORNS STARFISH//CROWN OF THORNS
8 7824 SEA URCHIN//STRONGYLOCENTROTUS DROEBACHIENSIS//PARACENTROTUS LIVIDUS
9 7712 DEEP SEA//DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS//DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
10 36127 TYRPHOBIONTS//RELICT PEAT BOGS//TYRPHOBIONTIC AND TYRPHOPHILOUS SPECIES

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