Bufonidae is the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of the true toads, members of the order Anura (frogs and toads). They are the only family of anurans all members of which are known as "toads." The bufonids now comprise more than 35 genera, Bufo

Bufo

Bufo is a large genus of about 150 species of true toads in the amphibian family Bufonidae. Bufo is a Latin word for toad.- Description :...

being the most widespread and well known.
True toads are widespread and occur natively on every continent except Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 and Antarctica, inhabiting a variety of environments, from arid areas to rainforest.