Word: gondwanaland
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Dates: during 1960-1969
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...group of long-extinct freshwater amphibians called Labyrinthodonts, which are known to have lived in both Australia and South Africa in the early Triassic period. The discovery thus lent support to those who believe that Antarctica, Australia, South America and India were once a single supercontinent, called "Gondwanaland,"* that broke up and drifted apart. Creatures like the labyrinthodonts, the continental drifters argue, would not have evolved separately on such isolated continents as Antarctica and Australia...