Pyxicephalidae

The Pyxicephalidae are a family of frogs currently found in sub-Saharan Africa. However, in the Eocene, the taxon Thaumastosaurus lived in Europe.

Classification
The Pyxicephalidae contain two subfamilies, with a total of 12 genera. This family was formerly considered part of the family Ranidae.

Family Pyxicephalidae
 * Subfamily Cacosterninae
 * Genus Amietia (16 species)
 * Genus Anhydrophryne (3 species)
 * Genus Arthroleptella (10 species) – moss frogs
 * Genus Cacosternum (16 species)
 * Genus Microbatrachella (monotypic) – micro frog
 * Genus Natalobatrachus (monotypic)
 * Genus Nothophryne (5 species) – mongrel frogs
 * Genus Poyntonia (monotypic)
 * Genus Strongylopus (10 species)
 * Genus Tomopterna (16 species)
 * Subfamily Pyxicephalinae
 * Genus Aubria (2 species) – Masako fishing frog, brown ball frog
 * Genus Pyxicephalus (4 species) – African bull frogs, pixie frog
 * Genus †Thaumastosaurus (3-5 species) – western Europe, Eocene (extinct)