an African clawed frog; in some classifications made the type genus of a separate family Xenopodidae

Xenopus (L., strange foot) are a genus of carnivorous frog native to Africa. There are 15 species in the Xenopus genus, all aquatic with unwebbed fingers and fully webbed feet, with claws on three toes.http://hometown.aol.com/terryg7264 The best-known species belonging to this genus is Xenopus laevis, which is commonly studied as a model organism.