We can divide the Jurassic Period into three key parts, known as epochs: the Early Jurassic, 201.4 million to 174.7 million years ago the Middle Jurassic, 174.7 million to 161.5 million years ago the ...
Despite this separation, similarities in their fossil records show that there were some land connections between the two continents early in the Jurassic. These regions became more distinct later in ...
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