Ceballos, G., and P.R. Ehrlich. 2009. Discoveries of new mammal species and their implications for conservation and ecosystem services. Proceedings of the National Academy of Sciences 106: 3841–46. https://doi.org/10.1073/pnas.0812419106 Even familiar taxa contain many undescribed species.
Bar-On, Y.M., R. Phillips, and R. Milo. 2018. The biomass distribution on Earth. Proceedings of the National Academy of Sciences 25: 6505–11. https://doi.org/10.1073/pnas.1711842115 Note the impact of humans on the composition of life on Earth.
Ebach, M.C., J.J. Morrone, L.R. Parenti, et al. 2007. International code of area nomenclature. Journal of Biogeography 35: 1153–57. https://doi.org/10.1111/j.1365-2699.2008.01920.x Scientists also grapple with confusing terminology when describing biodiversity.
Gippoliti, S., F.P.D. Cotterill, D. Zinner, et al. 2018. Impacts of taxonomic inertia for the conservation of African ungulate diversity: An overview. Biological Reviews 93: 115–30. https://doi.org/10.1111/brv.12335 Taxonomic inertia, or the delay in recognizing distinct species, slows conservation efforts.
Hart, J.A., K.M. Detwiler, C.C. Gilbert, et al. 2012. Lesula: A new species of Cercopithecus monkey endemic to the Democratic Republic of Congo and implications for conservation of Congo’s Central Basin. PLoS ONE 7: e44271. https://doi.org/10.1371/journal.pone.0044271 Many species known to local people still need to be formally described.
Joppa, L.N., D.L. Roberts, and S.L. Pimm. 2011. The population ecology and social behavior of taxonomists. Trends in Ecology and Evolution 26: 551–53. https://doi.org/10.1016/j.tree.2011.07.010 The number of taxonomists and the number of species described per year are steadily increasing.
Laikre, L., F.W. Allendorf, L.C. Aroner, et al. 2010. Neglect of genetic diversity in implementation of the Convention on Biological Diversity. Conservation Biology 24: 86–88. https://doi.org/10.1111/j.1523-1739.2009.01425.x A greater emphasis on genetic diversity needs to be part of conservation efforts.
Larsen, B.B., E.C. Miller, M.K. Rhodes, et al. 2017. Inordinate fondness multiplied and redistributed: The number of species on Earth and the new pie of life. Quarterly Review of Biology 92: 229–65. https://doi.org/10.1086/693564 We have much to learn about life on Earth.
Minhós, T., E. Wallace, M.J.F. da Silva, et al. 2013. DNA identification of primate bushmeat from urban markets in Guinea-Bissau and its implications for conservation. Biological Conservation 167: 43–49. https://doi.org/10.1016/j.biocon.2013.07.018 Misidentifications could have significant conservation implications.