That depends on the type of toad. Generally, the scientific name is Bufo. Toad is just the Genus of the name. The format is Bufo (species name.) (Example: An American toad is Bufo americanus. Climbing toads are Bufo coniferous.)
The scientific name for the Surinam toad is Pipa pipa.
Scaphiopodidae
Ceratophrys ornata.
Ceratophrys ornata
Ambystoma macrodactylum
The scientific or taxonomic name would be Bufo americanus.
The scientific or taxonomic name would be Bufo baxteri.
The scientific or taxonomic name would be Bufo boreas.
The scientific or taxonomic name would be Bufo californicus.
The scientific or taxonomic name would be Bufo canorus.
The scientific or taxonomic name would be Bufo debilis.
The scientific or taxonomic name would be Bufo exsul.