Science ❯ Paleontology ❯ Fossils
Megalibgwilia owenii Kangaroos Praearcturus gigas Ecological History Mammalian Diversity Palaeoloxodon Pleistocene Megafauna Protemnodon Homo Erectus Ground Sloths Dynamognathus robertsoni Evolutionary Transitions Celebochoerus Saber-toothed Tiger Quaternary Period Phascolarctos sulcomaxilliaris Thylacines Koala Fossils
Modern imaging and cross-collection comparison show it was an apex, possibly partly aquatic predator that challenges oxygen-based explanations for arthropod gigantism.