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Since Woodburne (1969) analyzed the three diprotodontid specimens then known from the Mio-Pliocene Beaumaris locality in Victoria, Australia, three more specimens of that group have been recognized. Included among them is a lower jaw, referred here to Kolopsis cf. K. torus, originally thought to be from Queensland. Strong evidence, however, indicates it is from Beaumaris. Reanalysis of the six diprotodontid specimens now known clearly establishes that two diprotodontids occur at Beaumaris, Zygomaturus gilli and K. cf. K. torus. On the basis of the K. cf. K. torus jaw supposedly from Queensland, the Beaumaris local fauna is interpreted to be contemporaneous or slightly older than the Alcoota local fauna from the Northern Territory.
Rich et al. (Sat,) studied this question.
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