Xenopus

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. The best-known species belonging to this genus is Xenopus laevis, which is commonly studied as a model organism.
See more at Wikipedia.org...

Noun
1. an African clawed frog; in some classifications made the type genus of a separate family Xenopodidae
(synonym) genus Xenopus
(hypernym) amphibian genus
(member-holonym) Pipidae, family Pipidae
(member-meronym) African clawed frog, Xenopus laevis

An amphibian (frog) who shared a common ancestor with mammals about 350 million years ago. The oldest species in which all three regions of the MHC are known to be linked. Link to Xenopuswebsite.

XENOPO. XENOPO LISCIO