North American Fossil Mammal Systematics Database. Phylogenies, taxonomic histories, age-ranges, and body mass estimates for genera and species of Cretaceous and Cenozoic North American fossil mammals. Compiled by John Alroy. World Heritage Naracoorte Fossil Mammal Site . Pleistocene Australian mammals.
Complete skeleton provides new insights of the biological evolution of the earliest mammals.
Discovering a Missing Link . Information about Zhangheotherium quinquescuspidens, a Mesozoic symmetrodont. Carnegie Museum of Natural History. Information about Ausktribosphenos nyktos, an Australian tribosphenic mammal. Research from the Monash University Palaeolab.