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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]
Biota600,483468,439238,70557,543515,145 (86 %)
  Kingdom Animalia458,692378,858196,42335,802445,539 (97 %)
    Phylum Acanthocephala7305804781730 (100 %)
    Phylum Annelida26,65122,53412,9475326,194 (98 %)
    Phylum Arthropoda102,80284,15756,39726,207100,919 (98 %)
    Phylum Brachiopoda92366842200 (0 %)
    Phylum Bryozoa9,2157,5206,188739,098 (99 %)
    Phylum Cephalorhyncha4854122360445 (92 %)
    Phylum Chaetognatha3552911310355 (100 %)
    Phylum Chordata70,84258,52522,30056370,019 (99 %)
    Phylum Cnidaria26,19521,90711,4991325,405 (97 %)
    Phylum Ctenophora4282801970424 (99 %)
    Phylum Cycliophora62206 (100 %)
    Phylum Dicyemida1511341220144 (95 %)
    Phylum Echinodermata21,45717,2657,297321,450 (100 %)
    Phylum Entoprocta2472241862247 (100 %)
    Phylum Gastrotricha762648499329761 (100 %)
    Phylum Gnathostomulida1551131010155 (100 %)
    Phylum Hemichordata2011561300197 (98 %)
    Phylum Mollusca133,615111,91147,0893,477126,649 (95 %)
    Phylum Nematoda10,3378,6456,5248149,559 (92 %)
    Phylum Nematomorpha125507 (58 %)
    Phylum Nemertea3,3142,7111,37643,143 (95 %)
    Phylum Orthonectida514025042 (82 %)
    Phylum Phoronida57491100 (0 %)
    Phylum Placozoa63106 (100 %)
    Phylum Platyhelminthes24,69519,42612,6342,93424,640 (100 %)
    Phylum Porifera21,64718,2108,61622421,646 (100 %)
    Phylum Rotifera37422920184368 (98 %)
    Phylum Sipuncula1,6501,28314701,635 (99 %)
    Phylum Tardigrada3592222061,019354 (99 %)
    Phylum Xenacoelomorpha9037074552900 (100 %)
  Kingdom Plantae31,18822,14512,13810,86526,162 (84 %)
    Phylum Anthocerotophyta100000 (0 %)
    Phylum Bryophyta9011111111 (12 %)
    Phylum Charophyta8213963225,795529 (64 %)
    Phylum Chlorophyta8,6525,2753,2514,3486,708 (78 %)
    Phylum Glaucophyta15441415 (100 %)
    Phylum Marchantiophyta240011 (4 %)
    Phylum Plantae incertae sedis345865918215 (62 %)
    Phylum Pteridophyta30003 (100 %)
    Phylum Rhodophyta20,15715,9408,17937318,434 (91 %)
    Phylum Tracheophyta1,048433312305230 (22 %)
  Kingdom Fungi2,9991,7261,360662,976 (99 %)
    Phylum Ascomycota2,1631,294975242,151 (99 %)
    Phylum Basidiomycota206615926204 (99 %)
    Phylum Chytridiomycota803931279 (99 %)
    Phylum Microsporidia45030526913450 (100 %)
    Phylum Zygomycota391313039 (100 %)
  Kingdom Protozoa3,4562,3722,2031,1571,781 (52 %)
    Phylum Amoebozoa40913611712184 (45 %)
    Phylum Apusozoa1542015 (100 %)
    Phylum Choanozoa34923919838282 (81 %)
    Phylum Euglenozoa1,7751,6031,528701937 (53 %)
    Phylum Loukozoa1122011 (100 %)
    Phylum Metamonada7234311030 (42 %)
    Phylum Percolozoa522725137 (71 %)
    Phylum Picozoa61102 (33 %)
  Kingdom Bacteria4,9982,6442,1453,4451,917 (38 %)
    Phylum Acidobacteria91100 (0 %)
    Phylum Actinobacteria267747410 (0 %)
    Phylum Aquificae28151500 (0 %)
    Phylum Bacteria incertae sedis4415153510 (23 %)
    Phylum Bacteroidetes42623623600 (0 %)
    Phylum Caldiserica51100 (0 %)
    Phylum Chlamydiae80000 (0 %)
    Phylum Chlorobi179921 (6 %)
    Phylum Chloroflexi374400 (0 %)
    Phylum Cyanobacteria2,0781,2838123,4001,900 (91 %)
    Phylum Deferribacteres125500 (0 %)
    Phylum Deinococcus-Thermus174400 (0 %)
    Phylum Elusimicrobia40000 (0 %)
    Phylum Fibrobacteres40000 (0 %)
    Phylum Firmicutes297999920 (0 %)
    Phylum Fusobacteria26151500 (0 %)
    Phylum Gemmatimonadetes40000 (0 %)
    Phylum Lentisphaerae41100 (0 %)
    Phylum Nitrospirae71100 (0 %)
    Phylum Planctomycetes185500 (0 %)
    Phylum Proteobacteria1,54182980256 (0 %)
    Phylum Spirochaetes101100 (0 %)
    Phylum Synergistetes123300 (0 %)
    Phylum Tenericutes193200 (0 %)
    Phylum Thermodesulfobacteria72200 (0 %)
    Phylum Thermotogae23131300 (0 %)
    Phylum Verrucomicrobia46252500 (0 %)
  Kingdom Chromista98,18260,45624,1986,18736,649 (37 %)
    Phylum Bigyra1841018239163 (89 %)
    Phylum Cercozoa5012822356446 (89 %)
    Phylum Ciliophora4,9163,7982,6693383,738 (76 %)
    Phylum Cryptophyta32524318462250 (77 %)
    Phylum Foraminifera17,15213,3368,996117,152 (100 %)
    Phylum Haptophyta91954236914816 (89 %)
    Phylum Heliozoa24101009 (38 %)
    Phylum Myzozoa6,2664,8343,2313194,679 (75 %)
    Phylum Ochrophyta66,73236,6257,9145,4068,558 (13 %)
    Phylum Oomycota12964461124 (96 %)
    Phylum Radiozoa9786064480674 (69 %)
  Kingdom Archaea23411811810 (0 %)
    Phylum Crenarchaeota48191900 (0 %)
    Phylum Euryarchaeota173979710 (0 %)
    Phylum Thaumarchaeota92200 (0 %)
  Kingdom Viruses68611011020111 (16 %)
  Kingdom Biota incertae sedis37101006 (16 %)



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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": 4,234

[view publications]