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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]
Biota555,198447,674242,76653,270521,498 (94 %)
  Kingdom Animalia456,850377,296195,70731,628443,319 (97 %)
    Phylum Acanthocephala7295794771729 (100 %)
    Phylum Annelida26,57422,46212,9205226,112 (98 %)
    Phylum Arthropoda102,43483,86856,29522,295100,543 (98 %)
    Phylum Brachiopoda91766541900 (0 %)
    Phylum Bryozoa9,0907,4086,178738,970 (99 %)
    Phylum Cephalorhyncha4854122360445 (92 %)
    Phylum Chaetognatha3552911310355 (100 %)
    Phylum Chordata70,82258,51122,29755469,993 (99 %)
    Phylum Cnidaria26,04121,78311,4831225,242 (97 %)
    Phylum Ctenophora4252771970421 (99 %)
    Phylum Cycliophora62206 (100 %)
    Phylum Dicyemida1511341220144 (95 %)
    Phylum Echinodermata21,42317,2487,291321,416 (100 %)
    Phylum Entoprocta2442211832244 (100 %)
    Phylum Gastrotricha760646497329759 (100 %)
    Phylum Gnathostomulida1551131010155 (100 %)
    Phylum Hemichordata2011561300197 (98 %)
    Phylum Mollusca132,608111,03446,6513,390125,524 (95 %)
    Phylum Nematoda10,2658,5806,4968319,482 (92 %)
    Phylum Nematomorpha125507 (58 %)
    Phylum Nemertea3,3142,7111,37643,142 (95 %)
    Phylum Orthonectida514025042 (82 %)
    Phylum Phoronida57491100 (0 %)
    Phylum Placozoa63106 (100 %)
    Phylum Platyhelminthes24,61419,35312,5802,92924,558 (100 %)
    Phylum Porifera21,59018,1638,59722421,589 (100 %)
    Phylum Rotifera36122419879360 (100 %)
    Phylum Sipuncula1,6501,28314701,635 (99 %)
    Phylum Tardigrada540367205848302 (56 %)
    Phylum Xenacoelomorpha9037074552900 (100 %)
  Kingdom Plantae31,19222,14012,13710,86626,166 (84 %)
    Phylum Anthocerotophyta100000 (0 %)
    Phylum Bryophyta9011111111 (12 %)
    Phylum Charophyta8213963225,796530 (65 %)
    Phylum Chlorophyta8,6475,2713,2504,3486,703 (78 %)
    Phylum Glaucophyta15441415 (100 %)
    Phylum Marchantiophyta240011 (4 %)
    Phylum Plantae incertae sedis358885918227 (63 %)
    Phylum Pteridophyta30003 (100 %)
    Phylum Rhodophyta20,15315,9378,17937318,430 (91 %)
    Phylum Tracheophyta1,048433312305230 (22 %)
  Kingdom Fungi2,9861,7191,357652,963 (99 %)
    Phylum Ascomycota2,1481,287972232,136 (99 %)
    Phylum Basidiomycota205605826203 (99 %)
    Phylum Chytridiomycota803931279 (99 %)
    Phylum Microsporidia45030526913450 (100 %)
    Phylum Zygomycota391313039 (100 %)
  Kingdom Protozoa3,4672,3662,1989321,789 (52 %)
    Phylum Amoebozoa4081351169184 (45 %)
    Phylum Apusozoa1542015 (100 %)
    Phylum Choanozoa35424420318288 (81 %)
    Phylum Euglenozoa1,7741,6021,528697936 (53 %)
    Phylum Loukozoa1122011 (100 %)
    Phylum Metamonada723532930 (42 %)
    Phylum Percolozoa522725137 (71 %)
    Phylum Picozoa61102 (33 %)
  Kingdom Bacteria4,9642,6122,1403,4441,917 (39 %)
    Phylum Acidobacteria91100 (0 %)
    Phylum Actinobacteria267747410 (0 %)
    Phylum Aquificae28151500 (0 %)
    Phylum Bacteria incertae sedis4515153511 (24 %)
    Phylum Bacteroidetes42623623600 (0 %)
    Phylum Caldiserica51100 (0 %)
    Phylum Chlamydiae80000 (0 %)
    Phylum Chlorobi179921 (6 %)
    Phylum Chloroflexi374400 (0 %)
    Phylum Cyanobacteria2,0471,2548093,3991,899 (93 %)
    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 Proteobacteria1,53782680056 (0 %)
    Phylum Spirochaetes101100 (0 %)
    Phylum Synergistetes123300 (0 %)
    Phylum Tenericutes193200 (0 %)
    Phylum Thermodesulfobacteria72200 (0 %)
    Phylum Thermotogae23131300 (0 %)
    Phylum Verrucomicrobia46252500 (0 %)
  Kingdom Chromista54,77141,30328,9896,31445,223 (83 %)
    Phylum Bigyra1841018239163 (89 %)
    Phylum Cercozoa4982802346443 (89 %)
    Phylum Ciliophora4,9123,7952,6683383,734 (76 %)
    Phylum Cryptophyta25016911561220 (88 %)
    Phylum Foraminifera16,96213,1658,982116,962 (100 %)
    Phylum Haptophyta92654036714825 (89 %)
    Phylum Heliozoa24101009 (38 %)
    Phylum Myzozoa6,2524,8183,2183194,677 (75 %)
    Phylum Ochrophyta23,60017,74212,8055,53517,351 (74 %)
    Phylum Oomycota12964461124 (96 %)
    Phylum Radiozoa9766044480672 (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": 4,045

[view publications]