1962
|
Tihen, Joseph A. A review of new world fossil bufonids. American Midland Naturalist 68(1):1-50
|
2004
|
Pauly, Gregory B., David M. Hillis, and David C. Cannatella. The history of a Nearctic colonization: Molecular phylogenetics and biogeography of the Nearctic toads (Bufo). Evolution 58():2517-2535
|
2008
|
Pauly, Gregory B. Phylogenetic systematics, historical biogeography, and the evolution of vocalizations in Nearctic toads (Bufo). Dissertation. University of Texas, Austin. 165pp.
|
2017
|
Gordon, Michelle R., Eric T. Simandle, and C. Richard Tracy A diamond in the rough desert shrublands of the Great Basin in the Western United States: A new cryptic toad species (Amphibia: Bufonidae: Bufo (Anaxyrus)) discovered in Northern Nevada. Zootaxa 4290(1):123–139
|
2023
|
Dodd, C. Kenneth. Frogs of the United States and Canada. Second Edition. John Hopkins University Press, Baltimore, Maryland. 1032pp.
|