A paraspecies (a paraphyletic species) is a species, living or fossil, that gave rise to one or more daughter species without itself becoming extinct.[1] Geographically widespread species that have given rise to one or more daughter species as peripheral isolates without themselves becoming extinct (i.e. through peripatric speciation) are examples of paraspecies.[2]

Paraspecies are expected from evolutionary theory (Crisp and Chandler, 1996), and are empirical realities in many terrestrial and aquatic taxa.[3][4][5][6][7][8][9][10][11][12]

Examples

  • A well-documented example of a living mammal species that gave rise to another living species is the evolution of the polar bear from the brown bear.[13][14]
  • An example of a living plant paraspecies is Pouteria cuspidata, the pouteria trees or eggfruits.[18]

See also

  • Cladogenesis
  • Anagenesis, also known as "phyletic change", where no branching event occurred (or is known to have occurred)

Notes and references

  1. James S. Albert; Roberto E. Reis (8 March 2011). Historical Biogeography of Neotropical Freshwater Fishes. University of California Press. p. 308. ISBN 9780520268685. Retrieved 28 June 2011.
  2. Ackery, P. R., and R. I. Vane-Wright. 1984. Milkweed Butterflies: Their Cladistics and Biology. Cornell University Press, Ithaca. 425 pp.
  3. Patton, J. L., and M. F. Smith. 1989. Population structure and the genetic and morphologic divergence among pocket gopher species (Genus Thomomys). Pp. 284-304 in: Speciation and its Consequences (D. Otte and J. A. Endler, eds.). Sinauer Associates, Sunderland.
  4. Bell, M. A., and S. A. Foster. 1994. The Evolutionary Biology of the Threespine Stickleback. Oxford University Press, Oxford.
  5. Crisp, M. D.; Chandler, G. T. (1996). "Paraphyletic species". Telopea. 6 (4): 813–844. doi:10.7751/telopea19963037.
  6. Funk, D. J.; Omland, K. E. (2003). "Species-level paraphyly and polyphyly: Frequency, causes, and consequences, with insights from animal mitochondrial DNA". Annual Review of Ecology, Evolution, and Systematics. 34: 397–423. doi:10.1146/annurev.ecolsys.34.011802.132421.
  7. Albert, J. S.; Crampton, W. G. R.; Thorsen, D. H.; Lovejoy, N. R. (April 2005). "Phylogenetic systematics and historical biogeography of the Neotropical electric fish Gymnotus (Teleostei: Gymnotidae)". Systematics and Biodiversity. 2 (4): 375–417. doi:10.1017/s1477200004001574. S2CID 86550943.
  8. "Publications".
  9. Turner, T. F.; McPhee, M. V.; Campbell, P.; Winemiller, K. O. (2004). "Phylogeography and intraspecific genetic variation of prochilodontid fishes endemic to rivers of northern South America". Journal of Fish Biology. 64: 186–201. doi:10.1111/j.1095-8649.2004.00299.x.
  10. Hoskin, C. J. (2007). "Description, biology and conservation of a new species of Australian tree frog (Amphibia: Anura: Hylidae: Litoria) and an assessment of the remaining populations of Litoria genimaculata Horst, 1883: systematic and conservation implications of an unusual speciation event". Biological Journal of the Linnean Society. 91 (4): 549–563. doi:10.1111/j.1095-8312.2007.00805.x.
  11. Feinstein, J (2008). "Molecular systematics and historical biogeography of the Black-browed Barbet species complex (Megalaima oorti)". Ibis. 150: 40–49. doi:10.1111/j.1474-919x.2007.00732.x.
  12. Lozier, J. D.; Foottit, R.; Miller, G.; Mills, N.; Roderick, G. (2008). "Molecular and morphological evaluation of the aphid genus Hyalopterus Koch (Insecta: Hemiptera: Aphididae), with a description of a new species". Zootaxa. 1688: 1–19. doi:10.11646/zootaxa.1688.1.1.
  13. "Polar bears related to extinct Irish bears, DNA study shows". Wikinews. 9 July 2011.
  14. Edwards, Ceiridwen J.; Suchard, Marc A.; Lemey, Philippe; Welch, John J.; Barnes, Ian; Fulton, Tara L.; Barnett, Ross; O'Connell, Tamsin C.; Coxon, Peter; Monaghan, Nigel; Valdiosera, Cristina E.; Lorenzen, Eline D.; Willerslev, Eske; Baryshnikov, Gennady F.; Rambaut, Andrew; Thomas, Mark G.; Bradley, Daniel G.; Shapiro, Beth (August 2011). "Ancient Hybridization and an Irish Origin for the Modern Polar Bear Matriline". Current Biology. 21 (15): 1251–1258. doi:10.1016/j.cub.2011.05.058. PMC 4677796. PMID 21737280.
  15. Lutz, Dick (2005). Tuatara: A Living Fossil. Salem, Oregon: DIMI PRESS. ISBN 978-0-931625-43-5.
  16. Linck, Ethan; Epperly, Kevin; Els, Paul van; Spellman, Garth M.; Bryson, Robert W.; McCormack, John E.; Canales-del-Castillo, Ricardo; Klicka, John (10 December 2018). "Dense geographic and genomic sampling reveals paraphyly and a cryptic lineage in a classic sibling species complex" (PDF). bioRxiv. doi:10.1101/491688. S2CID 92126241.
  17. Linck, Ethan; Epperly, Kevin; Van Els, Paul; Spellman, Garth M; Bryson, Robert W; McCormack, John E; Canales-Del-Castillo, Ricardo; Klicka, John (23 April 2019). "Dense Geographic and Genomic Sampling Reveals Paraphyly and a Cryptic Lineage in a Classic Sibling Species Complex" (PDF). Systematic Biology. 68 (6): 956–966. doi:10.1093/sysbio/syz027. PMID 31135028.
  18. Serrano, Julieth; Richardson, James E.; Milne, Richard I.; Mondragon, G. Ariadna; Hawkins, Julie A.; Bartish, Igor V.; Gonzalez, Mailyn; Chave, Jérôme; Madriñán, Santiago; Cárdenas, Dairon; Sanchez, S. Dayana; Cortés-B, Rocio; Pennington, R. Toby (June 2021). "Andean orogeny and the diversification of lowland neotropical rain forest trees: A case study in Sapotaceae" (PDF). Global and Planetary Change. 201: 103481. Bibcode:2021GPC...20103481S. doi:10.1016/j.gloplacha.2021.103481. S2CID 233569024.
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