Gondwana was the southern of half of the division of the
super continent Pangaea. It included South America, most of Africa, Madagascar, India, Australia and Antarctica. It began separating from the northern continent of Laurasia in the Jurassic.
Click on the links to go to the diorama pages for each continent
updated 122707
From the Dinosaur Collector
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South America has dinosaurs from 50 species from the Triassic, Jurassic and Cretaceous. The earliest dinosaurs known are from the South American
Late Triassic. The fauna becomes differentiated sharply in the Early Aptian peaking in the Neuquenian of the Cretaceous from North America and Asia. Gondwana is in many a ways a continuation of the the Jurassic fauna with sauropods dominating. The Northern Laurasia fauna is
characterized by diverse ornithischians and tetanurans with sauropods playing a small role.
Africa has dinosaurs going from the Late Triassic to the Late Cretaceous. The most impressive Late Jurassic dinosaurs come from
Tendaguru.
During the Early Cretaceous Africa was still connected with South America but by the Late Cretaceous they had split apart. Spinosaurid and allosauroids from
North
Africa? indicate a connection with South America and Europe.
Australia has few dinosaur bearing
deposits. Most dinosaur finds are scrappy and from the Early Cretaceous. While Australia remained connected to Antarctica until the Eocene, Australian dinosaurs are significantly
different from the other Gondwanan faunas. Much of Antarctica is below sea level and if the ice melted we would see a collection of islands
separated by shallow seas where South America would have connected. This barrier would account for animals long extinct lingering on and the small sizes of many of the dinosaurs.