Wikipedia
Calyptocephalellidae
The Calyptocephalellidae are a family of toads found in Chile containing two genera, Calyptocephalella and Telmatobufo. The Calyptocephalella genus contains one species, C. gayi, the helmeted water toad, which is a large aquatic toad weighing up to . The Telmatobufo genus contains four species, T. australis, T. bullocki, T. ignotus, and T. venustus. All species within the family are considered threatened, with T. bullocki and T. venustus being classified as critically endangered.