Langhian genus first appearances

Platybelodon (possibly "shovel tooth") is an extinct genus of amebelodontid proboscidean mammal, distantly related to modern-day elephants. Fossils are known from middle Miocene strata from parts of Asia and the Caucasus. The first specimens of Platybelodon, consisting of a partial skull, a nearly complete lower jaw, and multiple disarticulated remains, were discovered in the Tchokrak beds of north Caucasus, in the summer of 1927. The following year, Russian palaeontologist Alexey Borissiako described them, giving them the name Platybelodon danovi (now the type species of the genus). Several a

Anaxyrus, containing the North American toads, is a genus of true toads in the family Bufonidae. The genus is endemic to North and Central America, and contains many familiar North American toad species such as the American toad, Woodhouse's toad, and the western toad.