Walking with Dinosaurs Chronology, BBC. Information about the animals of the Late Triassic, including the mammal-like reptile Placerias and cynodonts. Based on the "Walking with Dinosaurs" video series.
The Evolution of Mammals, Enchanted Learning. Brief summary of the evolution of mammals, with links to information about the oldest mammal fossil from the Triassic.
Tiny creature...mans oldest relative? CNN News brief. Short news story about the discovery of what might be the oldest mammal fossil, Hadrocodium , from China. The fossil was found in 2001.
The Early Mammal-Like Reptiles, Iziko-South African Museum. Good summary of the rise of mammal-like reptiles from the Permian into the Triassic, with charts and images of prehistoric animals from the Karoo Basin of South Africa. Later mammal-like reptiles, including cynodonts, are discussed in another section, which includes information about their relationship to mammals.
Triassic, Palaeos. Scroll down the page for a brief description of Triassic climate, continental positions, invertebrate life, vertebrate life, and plant life. Technical information about specific types of vertebrates, including therapsids, can be found in other parts of this site. At Therapsida, there is an abbreviated cladogram. You can follow the cladogram to Cynodontia (cynodonts), to Mammaliforms (proto-mammals), to Mammalia for information and technical diagrams of the changes in skeletal structure that are interpreted to have taken place during the evolution of mammals in the Triassic.
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