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''Thylacinus macknessi'' lived during the early Miocene and is the oldest known member of the genus Thylacinus. It is named after Brian Mackness, a supporter of Australian vertebrate paleontology. T. macknessi was a quadrupedal marsupial predator, that in appearance looked similar to a dog with a long snout. Its molar teeth were specialized for carnivory; the cups and crest were reduced or elongated to give the molars a cutting blade. When the species was first described, only the posterior section of the jaw was known. Two years later in 1995 at the same fossil site, Muirhead and Gillespie found the anterior half of the specimen in a block of limestone. Its fossils have been found in north-western Queensland at the Riversleigh world heritage area at Neville's Garden Site. ==External links== *(natural worlds ) *(Vernon Data ) *(Australian Mammalia ) *(ADDITIONAL PARTS OF THE TYPE SPECIMEN OF THYLACINUS MACKNESSl (MARSUPIALIA: THYLACINIDAE) FROM MIOCENE DEPOSITS OF RlVERSLEIGH, NORTHWESTERN QUEENSLAND JEANETfE MUIRHEAD AND ANNA K. GILLESPIE ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Thylacinus macknessi」の詳細全文を読む スポンサード リンク
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