Taxon,Binomials*,Estimated,Binomials average,Estimated average,References
Bacteria,"11,010","6,000,000","13,492","250,252,625,000","Curtis, T. P., Sloan, W. T., & Scannell, J. W. (2002). Estimating prokaryotic diversity and its limits. Proceedings of the National Academy of Sciences of the United States of America, 99(16), 10494_9. doi:10.1073/pnas.142680199"
Bacteria,"15,974","1,000,000,000",,,"Dykhuizen, D. E. (1998). Santa Rosalia revisited: Why are there so many species of bacteria? Antonie van Leeuwenhoek, 73, 25_33."
Bacteria,,"4,500,000",,,"Dykhuizen, D. (2005). Species Numbers in Bacteria. Proceedings. California Academy of Sciences, 56(6 Suppl 1), 62_71."
Bacteria,,"1,000,000,000,000",,,"Mora, C., Tittensor, D. P., Adl, S., Simpson, A. G. B., & Worm, B. (2011). How many species are there on Earth and in the ocean? PLoS Biology, 9(8), e1001127. doi:10.1371/journal.pbio.1001127"
Cyanobacteria,"2,698","8,000","3,233","5,304","Guiry, M. D. (2012). How Many Species of Algae Are There? Journal of Phycology, 48(5), 1057_1063. doi:10.1111/j.1529-8817.2012.01222.x"
Cyanobacteria,"2,000","6,280",,,"Nabout, J. C., da Silva Rocha, B., Carneiro, F. M., & Sant'Anna, C. L. (2013). How many species of Cyanobacteria are there? Using a discovery curve to predict the species number. Biodiversity and Conservation, 22(12), 2907_2918. doi:10.1007/s10531-013-0561-x"
Cyanobacteria,"5,000","3,166",,,"Van den Hoek, C., Mann, D. G., & Jahns, H. M. (Eds.). (1995). Algae. An introduction to Phycology (p. 623). Cambridge: University Press."
Cyanobacteria,,"3,769",,,"Van den Hoek, C., Mann, D. G., & Jahns, H. M. (Eds.). (1995). Algae. An introduction to Phycology (p. 623). Cambridge: University Press."
Ciliates,"3,000","10,000","3,865","27,333","Foissner, W., Chao, A., & Katz, L. A. (2007). Diversity and geographic distribution of ciliates (Protista: Ciliophora). Biodiversity and Conservation, 17(2), 345_363. doi:10.1007/s10531-007-9254-7"
Ciliates,"4,096","27,000",,,"Foissner, W., Chao, A., & Katz, L. A. (2007). Diversity and geographic distribution of ciliates (Protista: Ciliophora). Biodiversity and Conservation, 17(2), 345_363. doi:10.1007/s10531-007-9254-7"
Ciliates,"4,500","45,000",,,"Foissner, W., Chao, A., & Katz, L. A. (2007). Diversity and geographic distribution of ciliates (Protista: Ciliophora). Biodiversity and Conservation, 17(2), 345_363. doi:10.1007/s10531-007-9254-7"
Nematoda,"15,000","1,000,000","18,750","1,000,000","McClain, C. R., & Boyer, A. G. (2009). Biodiversity and body size are linked across metazoans. Proceedings. Biological Sciences / The Royal Society, 276(1665), 2209_15. doi:10.1098/rspb.2009.0245"
Nematoda,"28,000",,,,"McClain, C. R., & Boyer, A. G. (2009). Biodiversity and body size are linked across metazoans. Proceedings. Biological Sciences / The Royal Society, 276(1665), 2209_15. doi:10.1098/rspb.2009.0245"
Nematoda,"20,000",,,,"McClain, C. R., & Boyer, A. G. (2009). Biodiversity and body size are linked across metazoans. Proceedings. Biological Sciences / The Royal Society, 276(1665), 2209_15. doi:10.1098/rspb.2009.0245"
Nematoda,"12,000",,,,"McClain, C. R., & Boyer, A. G. (2009). Biodiversity and body size are linked across metazoans. Proceedings. Biological Sciences / The Royal Society, 276(1665), 2209_15. doi:10.1098/rspb.2009.0245"
Chlorophytes,"8,000","13,000","7,667","13,000","Guiry, M. D. (2012). How Many Species of Algae Are There? Journal of Phycology, 48(5), 1057_1063. doi:10.1111/j.1529-8817.2012.01222.x"
Chlorophytes,"8,000",,,,"Van den Hoek, C., Mann, D. G., & Jahns, H. M. (Eds.). (1995). Algae. An introduction to Phycology (p. 623). Cambridge: University Press."
Chlorophytes,"7,000",,,,http://science.jrank.org/pages/205/Algae.html
Rhodophytes,"7,000","14,000","7,000","14,000","Guiry, M. D. (2012). How Many Species of Algae Are There? Journal of Phycology, 48(5), 1057_1063. doi:10.1111/j.1529-8817.2012.01222.x"
Fungi,"70,000","5,100,000","88,777","2,705,064","Blackwell, M. (2011). The fungi: 1, 2, 3 ... 5.1 million species? American Journal of Botany, 98(3), 426_38. doi:10.3732/ajb.1000298"
Fungi,"97,330","1,500,000",,,"Blackwell, M. (2011). The fungi: 1, 2, 3 ... 5.1 million species? American Journal of Botany, 98(3), 426_38. doi:10.3732/ajb.1000298"
Fungi,"99,000","720,256",,,"Blackwell, M. (2011). The fungi: 1, 2, 3 ... 5.1 million species? American Journal of Botany, 98(3), 426_38. doi:10.3732/ajb.1000298"
Fungi,,"3,500,000",,,"Blackwell, M. (2011). The fungi: 1, 2, 3 ... 5.1 million species? American Journal of Botany, 98(3), 426_38. doi:10.3732/ajb.1000298"
Insecta,"897,291","30,000,000","895,704","13,833,333","Mayhew, P. J. (2007). Why are there so many insect species? Perspectives from fossils and phylogenies. Biological Reviews of the Cambridge Philosophical Society, 82(3), 425_54. doi:10.1111/j.1469-185X.2007.00018.x"
Insecta,"894,117","1,500,000",,,"Erwin, T. L. (1983). Tropical forest canopies: the last biotic frontier. Bulletin of the Entomological Society of America, 29, 14_19."
Insecta,,"10,000,000",,,"Erwin, T. L. (1983). Tropical forest canopies: the last biotic frontier. Bulletin of the Entomological Society of America, 29, 14_19."
Chordata,"60,699","60,699","60,699","60,699","McClain, C. R., & Boyer, A. G. (2009). Biodiversity and body size are linked across metazoans. Proceedings. Biological Sciences / The Royal Society, 276(1665), 2209_15. doi:10.1098/rspb.2009.0245"
Embryophytes,"303,100","303,636","304,873","313,687","Magallón, S., & Hilu, K. W. (2009). Land Plants (Embryophyta). In S. Blair Hedges & S. Kumar (Eds.), The TimeTree of Life (pp. 133_137). New York: Oxford University Press."
Embryophytes,"306,645","323,737",,,"Magallón, S., & Hilu, K. W. (2009). Land Plants (Embryophyta). In S. Blair Hedges & S. Kumar (Eds.), The TimeTree of Life (pp. 133_137). New York: Oxford University Press."