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WoRMS Statistics

Number of records in WoRMS.
  • All taxa: number of marine [M] & non-fossil [nF] scientific names at all ranks (sum of species, genera, families,..., accepted and synonyms).
  • All species: number of marine [M] & non-fossil [nF] species (sum of accepted and synonyms) within the specific rank.
  • Acc. species: number of accepted marine [M] & non-fossil [nF] species within the specific rank.
  • Acc. species: number of accepted non-marine [nM] & non-fossil [nF] species within the specific rank.
  • Checked taxa: number of marine [M] & non-fossil [nF] scientific names (%) that have been checked by a Taxonomic Editor.
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View stats on lifewatch


 all taxa
[M, nF]
   all species
[M, nF]
   acc. species
[M, nF]
   acc. species
[nM, nF]
   checked taxa
[M, nF]
Biota554,599446,952242,26840,188521,675 (94 %)
  Kingdom Animalia458,571378,677197,03919,207444,675 (97 %)
    Phylum Acanthocephala7265764741726 (100 %)
    Phylum Annelida26,42122,32812,9092725,938 (98 %)
    Phylum Arthropoda105,47386,33957,61510,836103,536 (98 %)
    Phylum Brachiopoda91766541900 (0 %)
    Phylum Bryozoa8,9817,3136,148738,856 (99 %)
    Phylum Cephalorhyncha4854122360445 (92 %)
    Phylum Chaetognatha3552911310355 (100 %)
    Phylum Chordata70,77858,46922,26754369,948 (99 %)
    Phylum Cnidaria25,70221,53111,4581124,880 (97 %)
    Phylum Ctenophora4252771970421 (99 %)
    Phylum Cycliophora62206 (100 %)
    Phylum Dicyemida1511341220144 (95 %)
    Phylum Echinodermata21,39017,2497,274321,383 (100 %)
    Phylum Entoprocta2412191812240 (100 %)
    Phylum Gastrotricha760646497327759 (100 %)
    Phylum Gnathostomulida1551131010155 (100 %)
    Phylum Hemichordata2011561300197 (98 %)
    Phylum Mollusca131,736110,28546,2953,004124,567 (95 %)
    Phylum Nematoda10,4478,6536,8446039,494 (91 %)
    Phylum Nematomorpha125507 (58 %)
    Phylum Nemertea3,2912,6961,36243,116 (95 %)
    Phylum Orthonectida514025042 (82 %)
    Phylum Phoronida57491100 (0 %)
    Phylum Placozoa63106 (100 %)
    Phylum Platyhelminthes24,85619,61012,8232,64524,800 (100 %)
    Phylum Porifera21,47518,0698,53622321,474 (100 %)
    Phylum Rotifera32019417255319 (100 %)
    Phylum Sipuncula1,6501,28314701,635 (99 %)
    Phylum Tardigrada536363202848287 (54 %)
    Phylum Xenacoelomorpha9047074552900 (100 %)
  Kingdom Plantae30,56221,65311,64810,73625,992 (85 %)
    Phylum Charophyta6362151415,795464 (73 %)
    Phylum Chlorophyta8,4245,0433,0224,2236,621 (79 %)
    Phylum Glaucophyta12111412 (100 %)
    Phylum Marchantiophyta60011 (17 %)
    Phylum Plantae incertae sedis31437815223 (71 %)
    Phylum Pteridophyta691211149 (13 %)
    Phylum Rhodophyta20,13815,9258,16537218,421 (91 %)
    Phylum Tracheophyta944420300302228 (24 %)
  Kingdom Fungi2,9351,7231,367642,756 (94 %)
    Phylum Ascomycota2,1051,288980232,016 (96 %)
    Phylum Basidiomycota199585626167 (84 %)
    Phylum Chytridiomycota884738161 (69 %)
    Phylum Microsporidia44130526913440 (100 %)
    Phylum Zygomycota421818040 (95 %)
  Kingdom Protozoa2,3961,2751,1124981,426 (60 %)
    Phylum Amoebozoa4031301117183 (45 %)
    Phylum Apusozoa1542015 (100 %)
    Phylum Choanozoa32221617517266 (83 %)
    Phylum Euglenozoa965798729461604 (63 %)
    Phylum Loukozoa1122011 (100 %)
    Phylum Metamonada521512229 (56 %)
    Phylum Percolozoa421715033 (79 %)
    Phylum Picozoa61102 (33 %)
  Kingdom Bacteria4,8062,4622,0283,3741,820 (38 %)
    Phylum Acidobacteria91100 (0 %)
    Phylum Actinobacteria268747410 (0 %)
    Phylum Aquificae28151500 (0 %)
    Phylum Bacteria incertae sedis35663511 (31 %)
    Phylum Bacteroidetes42423523500 (0 %)
    Phylum Caldiserica51100 (0 %)
    Phylum Chlamydiae80000 (0 %)
    Phylum Chlorobi157721 (7 %)
    Phylum Chloroflexi374400 (0 %)
    Phylum Cyanobacteria1,9531,1747493,3321,802 (92 %)
    Phylum Deferribacteres125500 (0 %)
    Phylum Deinococcus-Thermus174400 (0 %)
    Phylum Elusimicrobia40000 (0 %)
    Phylum Fibrobacteres40000 (0 %)
    Phylum Firmicutes294949420 (0 %)
    Phylum Fusobacteria154400 (0 %)
    Phylum Gemmatimonadetes40000 (0 %)
    Phylum Lentisphaerae41100 (0 %)
    Phylum Nitrospirae71100 (0 %)
    Phylum Planctomycetes185500 (0 %)
    Phylum Proteobacteria1,50078477626 (0 %)
    Phylum Spirochaetes101100 (0 %)
    Phylum Synergistetes123300 (0 %)
    Phylum Tenericutes193200 (0 %)
    Phylum Thermodesulfobacteria72200 (0 %)
    Phylum Thermotogae23131300 (0 %)
    Phylum Verrucomicrobia46252500 (0 %)
  Kingdom Chromista54,36840,93328,8456,28844,891 (83 %)
    Phylum Bigyra1871038439166 (89 %)
    Phylum Cercozoa4792662216425 (89 %)
    Phylum Ciliophora4,9053,7882,6633383,730 (76 %)
    Phylum Cryptophyta2311479451212 (92 %)
    Phylum Foraminifera16,71912,9708,988116,719 (100 %)
    Phylum Haptophyta92653936614824 (89 %)
    Phylum Heliozoa24101009 (38 %)
    Phylum Myzozoa6,2164,7743,1763184,643 (75 %)
    Phylum Ochrophyta23,54317,68112,7635,52017,326 (74 %)
    Phylum Oomycota12964461124 (96 %)
    Phylum Radiozoa9615894330672 (70 %)
  Kingdom Archaea23411811810 (0 %)
    Phylum Crenarchaeota48191900 (0 %)
    Phylum Euryarchaeota173979710 (0 %)
    Phylum Thaumarchaeota92200 (0 %)
  Kingdom Viruses68711011020105 (15 %)
  Kingdom Biota incertae sedis291106 (21 %)



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Discovery rate for 

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Authors describing most species during last decade for 

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Citations (Google scholar)

Citations for "World Register of Marine Species": 3,860

[view publications]