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Two new species of geoemydid turtles from the late Eocene – early Oligocene of Krabi Basin in southern peninsula of Thailand are described on the basis of shells and other postcranial material: Mauremys thanhinensis n. sp. and Hardella siamensis n. sp. These early representatives of testudinoid turtles from South-East Asia shed light on the early evolution of extant geoemydids.
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Claude et al. (2007) studied this question.
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