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Bufo woodhousii.jpg
Woodhouse's toad (Anaxyrus woodhousii)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Bufonidae
Genus: Anaxyrus
Tschudi, 1845

See text.

Anaxyrus is a genus of true toads native to North and Central America.

The meaning of the name was not explained by its author, Tschudi. It is speculated to be composed of the Greek anax (‘leader, chief’) and urus (‘tail’); or of the privative prefix an- and axyr (‘being cut’, ‘an anchor’) or ax (‘axel’) [1]


Binomial name Discovered by, year Common name
Anaxyrus americanusBufo americanus Holbrook, 1836 American toad
Anaxyrus baxteriBufo baxteri Porter, 1968 Wyoming toad
Anaxyrus boreasBufo boreas Baird and Girard, 1852 Western toad
Anaxyrus californicusBufo californicus Camp, 1915 Arroyo toad
Anaxyrus canorusBufo canorus Camp, 1916 Yosemite toad
Anaxyrus cognatusBufo cognatus Say, 1823 Great Plains toad
Anaxyrus compactilisBufo compactilis Wiegmann, 1833 Plateau toad, Texas toad
Anaxyrus debilisBufo debilis Girard, 1854 Green toad
Anaxyrus exsulBufo exsul Myers, 1942 Black toad
Anaxyrus fowleriBufo fowleri Hinckley, 1882 Fowler's toad
Anaxyrus hemiophrysBufo hemiophrys Cope, 1886 Canadian toad
Anaxyrus houstonensisBufo houstonensis Sanders, 1953 Houston toad
Anaxyrus kelloggiBufo kelloggi Taylor, 1938 Little Mexican toad
Anaxyrus mexicanusBufo mexicanus Brocchi, 1879 Southwestern toad
Anaxyrus microscaphusBufo microscaphus Cope, 1867 Arizona toad
Anaxyrus nelsoniBufo nelsoni Stejneger, 1893 Amargosa toad
Anaxyrus punctatusBufo punctatus Baird and Girard, 1852 Red-spotted toad, Baird's spotted toad
Anaxyrus quercicusBufo quercicus Holbrook, 1840 Oak toad
Anaxyrus retiformisBufo retiformis Sanders and Smith, 1951 Sonoran green toad
Anaxyrus speciosusBufo speciosus Girard, 1854 Texas toad
Anaxyrus terrestrisBufo terrestris Bonnaterre, 1789 Southern toad
Anaxyrus woodhousiiBufo woodhousii Girard, 1854 Woodhouse's toad


  1. ^ Dodd, C. Kenneth (2013). Frogs of the United States and Canada. 1. The Johns Hopkins University Press. p. 20. ISBN 978-1-4214-0633-6. 


  • Frost, D. R.; Grant, T.; Faivovich, J. N.; Bain, R. H.; Haas, A.; Haddad, C. L. F. B.; De Sá, R. O.; Channing, A.; Wilkinson, M.; Donnellan, S. C.; Raxworthy, C. J.; Campbell, J. A.; Blotto, B. L.; Moler, P.; Drewes, R. C.; Nussbaum, R. A.; Lynch, J. D.; Green, D. M.; Wheeler, W. C. (2006). "The Amphibian Tree of Life". Bulletin of the American Museum of Natural History. 297: 1–291. doi:10.1206/0003-0090(2006)297[0001:TATOL]2.0.CO;2. hdl:2246/5781. 
  • Pauly, G. B; Hillis, D. M.; Cannatella, D. C. (November 2004). "The history of a Nearctic colonization: Molecular phylogenetics and biogeography of the Nearctic toads (Bufo)". Evolution. 58 (11): 2517–2535. doi:10.1111/j.0014-3820.2004.tb00881.x. 
  • Pauly, Greg B., Hillis, David M. & Cannatella, David C. (2009). Taxonomic freedom and the role of official lists of species names. Herpetologica 65: 115-128. PDF fulltext

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