Anaxyrus
Espécies
Anaxyrus baxteri .
Reconhecem-se 22 espécies segundo ASW :
Anaxyrus americanus (Holbrook, 1836)
Anaxyrus baxteri (Porter, 1968)
Anaxyrus boreas (Baird & Girard, 1852)
Anaxyrus californicus (Camp, 1915)
Anaxyrus canorus (Camp, 1916)
Anaxyrus cognatus (Say, 1822)
Anaxyrus compactilis (Wiegmann, 1833)
Anaxyrus debilis (Girard, 1854)
Anaxyrus exsul (Myers, 1942)
Anaxyrus fowleri (Hinckley, 1882)
Anaxyrus hemiophrys (Cope, 1886)
Anaxyrus houstonensis (Sanders, 1953)
Anaxyrus kelloggi (Taylor, 1938)
Anaxyrus mexicanus (Brocchi, 1879)
Anaxyrus microscaphus (Cope, 1867)
Anaxyrus nelsoni (Stejneger, 1893)
Anaxyrus punctatus (Baird & Girard, 1852)
Anaxyrus quercicus (Holbrook, 1840)
Anaxyrus retiformis (Sanders & Smith, 1951)
Anaxyrus speciosus (Girard, 1854)
Anaxyrus terrestris (Bonnaterre, 1789)
Anaxyrus williamsi Gordon MR, Simandle ET & Tracy CR, 2017
Anaxyrus woodhousii (Girard, 1854)
Referências
Pauly, G. B., D. M. Hillis e D. C. Cannatella. (2004) "The history of a Nearctic colonization: Molecular phylogenetics e biogeography of the Nearctic toads (Bufo)". Evolution 58 : 2517–2535.