Assertion: whale's relative | /r/HasProperty | present throughout the southern hemisphere
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Source sentences:
text: It is mainly known from the Pisco Formation of Peru during the Tortonian stage of the Miocene epoch, about 9.9–8.9 million years ago (mya); however, isolated teeth from other locations such as Chile, Argentina, South Africa, and Australia implies that either it or a close relative survived into the Pliocene, around 5 mya, and was present throughout the Southern Hemisphere.