But this is where Ahvaytum may rewrite the origin story because it originates from the North American landmass, which once formed part of Laurasia. At roughly 230 million years old, it is comparable ...
A multi-institution investigation in China has introduced the world to Archaeocursor asiaticus, and the research suggests an earlier dispersal event of ornithischians from Gondwana to Laurasia ...
Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half, began to break up by the mid-Jurassic. The eastern portion—Antarctica, Madagascar, India ...
After years of debate many lines of evidence now favor the idea that the present continents were once assembled into two great land masses: Gondwanaland in the south, Laurasia in the north ...
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