 Most of these animals were smaller versions of mainland megafauna, which became smaller due to island dwarfism, although this is certainly not the case for "Hatzegopteryx" which, being one of the biggest pterosaurs ever, is an example of island gigantism.Mammals are almost exclusively represented by the endemic kogaionid multituberculates, an endemic group that evolved in the island's isolation and developed unique insectivorous habits, as well as a single eutherian remain.Among these animals are included