Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 20340 | 403 | 41.2 | 21% |
Classes in level above (level 2) |
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 | ECHINOIDEA | Author keyword | 9 | 23% | 8% | 33 |
| 2 | SPATANGOIDA | Author keyword | 8 | 62% | 2% | 8 |
| 3 | ECHINOIDS | Author keyword | 8 | 24% | 7% | 28 |
| 4 | HOLASTEROIDA | Author keyword | 6 | 80% | 1% | 4 |
| 5 | CLYPEASTEROIDA | Author keyword | 5 | 60% | 1% | 6 |
| 6 | SPATANGOIDS | Author keyword | 5 | 60% | 1% | 6 |
| 7 | APICAL SYSTEM | Author keyword | 4 | 75% | 1% | 3 |
| 8 | CLYPEASTER | Author keyword | 3 | 57% | 1% | 4 |
| 9 | CARRIACOU | Author keyword | 3 | 60% | 1% | 3 |
| 10 | CLYPEASTEROIDS | Author keyword | 3 | 60% | 1% | 3 |
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 | ECHINOIDEA | 9 | 23% | 8% | 33 | Search ECHINOIDEA | Search ECHINOIDEA |
| 2 | SPATANGOIDA | 8 | 62% | 2% | 8 | Search SPATANGOIDA | Search SPATANGOIDA |
| 3 | ECHINOIDS | 8 | 24% | 7% | 28 | Search ECHINOIDS | Search ECHINOIDS |
| 4 | HOLASTEROIDA | 6 | 80% | 1% | 4 | Search HOLASTEROIDA | Search HOLASTEROIDA |
| 5 | CLYPEASTEROIDA | 5 | 60% | 1% | 6 | Search CLYPEASTEROIDA | Search CLYPEASTEROIDA |
| 6 | SPATANGOIDS | 5 | 60% | 1% | 6 | Search SPATANGOIDS | Search SPATANGOIDS |
| 7 | APICAL SYSTEM | 4 | 75% | 1% | 3 | Search APICAL+SYSTEM | Search APICAL+SYSTEM |
| 8 | CLYPEASTER | 3 | 57% | 1% | 4 | Search CLYPEASTER | Search CLYPEASTER |
| 9 | CARRIACOU | 3 | 60% | 1% | 3 | Search CARRIACOU | Search CARRIACOU |
| 10 | CLYPEASTEROIDS | 3 | 60% | 1% | 3 | Search CLYPEASTEROIDS | Search CLYPEASTEROIDS |
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 | POST PALEOZOIC ECHINOIDS | 18 | 83% | 2% | 10 |
| 2 | HOLASTEROID ECHINOIDS | 6 | 71% | 1% | 5 |
| 3 | SAND DOLLARS | 6 | 33% | 4% | 15 |
| 4 | IRREGULAR ECHINOIDS | 5 | 60% | 1% | 6 |
| 5 | CORDATUS ECHINODERMATA | 3 | 100% | 1% | 3 |
| 6 | MELLITA QUINQUIESPERFORATA | 3 | 100% | 1% | 3 |
| 7 | ECHINOCARDIUM CORDATUM ECHINODERMATA | 3 | 45% | 1% | 5 |
| 8 | REGULAR ECHINOIDS | 3 | 45% | 1% | 5 |
| 9 | ECHINOCARDIUM CORDATUM | 2 | 32% | 1% | 6 |
| 10 | KHUIALA FORMATION | 2 | 67% | 0% | 2 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references |
% act. ref. to same field |
|---|---|---|---|---|
| Hemipatagus, a misinterpreted loveniid (Echinodermata : Echinoidea) | 2007 | 4 | 7 | 100% |
| Jamaican Cenozoic ichnology: review and prospectus | 2015 | 1 | 20 | 45% |
| The evolution of pedicellariae in echinoids: an arms race against pests and parasites | 2012 | 4 | 20 | 55% |
| Phylogeny and origin of Jurassic irregular echinoids (Echinodermata : Echinoidea) | 2007 | 8 | 40 | 40% |
| Phylogenetic systematics of tertiary Monophorasterid sand dollars (Clypeasteroida : Echinoidea) from South America | 2000 | 6 | 9 | 67% |
| HEMIASTERID ECHINOIDS (ECHINODERMATA, SPATANGOIDA) FROM THE CRETACEOUS TETHYS TO THE PRESENT-DAY MEDITERRANEAN | 1994 | 16 | 13 | 46% |
| THE BIOGEOGRAPHY OF ORIGIN AND RADIATION - DENDRASTERID SAND DOLLARS IN THE NORTHEASTERN PACIFIC | 1991 | 6 | 7 | 57% |
| MOSAIC PATTERN OF HETEROCHRONIES - VARIATION AND DIVERSITY IN POURTALESIIDAE (DEEP-SEA ECHINOIDS) | 1990 | 19 | 16 | 44% |
| All change at the Cretaceous-Tertiary boundary? Echinoids from the Maastrichtian and Danian of the Mangyshlak Peninsula, Kazakhstan | 1997 | 12 | 34 | 18% |
| The origin of echinoid shell beds in siliciclastic shelf environments: three examples from the Miocene of Sardinia, Italy | 2015 | 0 | 51 | 22% |
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 | BIOGEOSCI UMR CNRS 6282 | 1 | 50% | 0.2% | 1 |
| 2 | CAIRO GEOL MUSEUM | 1 | 50% | 0.2% | 1 |
| 3 | EYRING SCI S389 | 1 | 50% | 0.2% | 1 |
| 4 | PALEOLOG | 1 | 50% | 0.2% | 1 |
| 5 | ECHINODERMATA | 1 | 25% | 0.5% | 2 |
| 6 | PALEONTOL GEOSCI | 1 | 25% | 0.5% | 2 |
| 7 | MUSEU GEOL | 0 | 33% | 0.2% | 1 |
| 8 | SCI TERRE SCI | 0 | 33% | 0.2% | 1 |
| 9 | TROP EARTH SPACE STUDIES | 0 | 33% | 0.2% | 1 |
| 10 | URA CNRS 12 | 0 | 33% | 0.2% | 1 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000180903 | ASTEROIDEA//GONIASTERIDAE//VALVATIDA |
| 2 | 0.0000155628 | CRINOIDEA//CRINOIDS//STALKED CRINOIDS |
| 3 | 0.0000134388 | PROSCOPIIDAE//PLAGIODONTIA//INVEST ARQUEOLOG |
| 4 | 0.0000119982 | DRILLING PREDATION//NATICID//NATICIDAE |
| 5 | 0.0000118154 | STRONGYLOCENTROTUS DROEBACHIENSIS//PARACENTROTUS LIVIDUS//SEA URCHIN |
| 6 | 0.0000114799 | OPHIUROID//OPHIUROIDEA//AMPHIPHOLIS SQUAMATA |
| 7 | 0.0000094321 | CAMPANILE//CA MATLEY//ABDUCTIVE METHOD |
| 8 | 0.0000093507 | PALEOBIOLOGY//COORDINATED STASIS//MACROEVOLUTION |
| 9 | 0.0000067658 | TRACE FOSSILS//ICHNOLOGY//ICHNOFABRIC |
| 10 | 0.0000063306 | MPB MARINE PALAEOBIOGEOG WORKING GRP//BITTIUM LATREILLII//GEOL MARINHA GEORECURSOS |