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''Wabulacinus ridei'' lived during the early miocene in Riversleigh. It is named after David Ride, who made the first revision of thylacinid fossils. The material was found in system C of the Camel Spurtum assembledge. ''W. ridei'' was a carnivorous, quadrupedal marsupial in Australia. In appearance it resembled 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. ''W. ridei'' is known from a right maxillary fragment (QMF 16851) containing molars one and two to the anterior section of the infraorbital foramen that was dorsal to the third molar. The left dentary fragment (QMF 16852) contains a partial second premolar and a full third molar. Premolar 3 and molars one and two are missing with the alveolus intact, mo material remains after molar three. Muirhead (1997 p. 372) describes ''W. ridei'' as having the following features that are unique: parametacrista on the first molar is straight, entoconid either missing of combined with the hypoconid in a more posterior position, the loss or reduction of styler crests, small metaconid, talonid basin reduced by the lingual (toward the tongue) placement of the hypoconid. Dasyurid type features include the infraorbital foramen away from the jugal and a large hypoconid. Only one feature of the tooth links this species to ''Ngamalacinus'', and that is the metaconid and protoconid are reduced. Features that are in common with the ''Thylacinus'' genus are the centrocrista is straight on the first upper molar, the angle of the crest at the paracone and metacone is wider than plesiomorphic thylacinidae and the loss of metaconid and further widening of the crests increasing the size of the talonid (back half of the tooth). ==External links== *(Natural Worlds ) *(Muirhead, J. 19970630: Two new early Miocene thy1acines from Rivers1eigh. northwestern Queensland. Memoirs of the Queens/and Musewn 41(2): 367-377. Brisbane. ISSN 0079-8835. ) 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「Wabulacinus ridei」の詳細全文を読む スポンサード リンク
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