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Unformatted text preview: the modern genus Ginkgo should be used to include these fossils. During the Mesozoic ginkgoes were worldwide in their distribution and important elements in the gymnosperm forests that dominated the land. Animals Terrestrial faunas of the early Triassic were dominated by therapsids, evolutionary offshoots of the by-then extinct "sail-backs". These therapsids divided into two groups: herbivores and carnivores. The therapsids of this time may have had some sort of "hair" as a body covering as well as some degree of endothermy . By the close of the Triassic therapsids had given rise to early mammals....
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