Frost, Darrel R. (2017). "Incilius Cope, 1863". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 4 July 2017.
doi.org
Frost, D. R.; Grant, T.; Faivovich, J. N.; Bain, R. H.; Haas, A.; Haddad, C. 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. S2CID86140137.
Frost, Darrel; Grant, Taran; Mendelson, III, Joseph R.; et al. (2006b). "Ollotis Cope, 1875 is the oldest name for the genus currently referred to as Cranopsis Cope, 1875 (Anura: Hyloides: Bufonidae)". Copeia. 2006 (3): 558. doi:10.1643/0045-8511(2006)2006[558:OCITON]2.0.CO;2. S2CID84641061.
Frost, Darrel R.; Mendelson, III, Joseph R.; Pramuk, Jennifer (2009). "Further notes on the nomenclature of Middle American toads (Bufonidae)". Copeia. 2009 (2): 418. doi:10.1643/CH-08-204. S2CID85231614.
handle.net
hdl.handle.net
Frost, D. R.; Grant, T.; Faivovich, J. N.; Bain, R. H.; Haas, A.; Haddad, C. 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. S2CID86140137.
marinespecies.org
Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2014). "Cranopsis A. Adams, 1860". MolluscaBase. World Register of Marine Species. Retrieved 4 July 2017.
semanticscholar.org
api.semanticscholar.org
Frost, D. R.; Grant, T.; Faivovich, J. N.; Bain, R. H.; Haas, A.; Haddad, C. 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. S2CID86140137.
Frost, Darrel; Grant, Taran; Mendelson, III, Joseph R.; et al. (2006b). "Ollotis Cope, 1875 is the oldest name for the genus currently referred to as Cranopsis Cope, 1875 (Anura: Hyloides: Bufonidae)". Copeia. 2006 (3): 558. doi:10.1643/0045-8511(2006)2006[558:OCITON]2.0.CO;2. S2CID84641061.
Frost, Darrel R.; Mendelson, III, Joseph R.; Pramuk, Jennifer (2009). "Further notes on the nomenclature of Middle American toads (Bufonidae)". Copeia. 2009 (2): 418. doi:10.1643/CH-08-204. S2CID85231614.