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Deltatheridiidae is an extinct family of basal metatherians that lived in the Cretaceous and were closely related to marsupials. Their fossils are restricted to Central Asia (Mongolia and Uzbekistan) and North America (United States - Oklahoma, Texas, Utah, Wyoming). The family consist in six genera:〔B. M. Davis, R. L. Cifelli, and Z. Kielan-Jaworowska. 2008. 1. Earliest Evidence of Deltatheroida (Mammalia: Metatheria) from the Early Cretaceous of North America. Mammalian Evolutionary Morphology: A Tribute to Frederick S. Szalay 3-24〕〔G. P. Wilson and J. A. Riedel. 2010. New specimen reveals deltatheroidan affinities of the North American Late Cretaceous mammal Nanocuris. Journal of Vertebrate Paleontology 30(3):872-884〕〔B. M. Davis and R. L. Cifelli. 2011. Reappraisal of the tribosphenidan mammals from the Trinity Group (Aptian-Albian) of Texas and Oklahoma. Acta Palaeontologica Polonica 56(3):441-462〕 *''Atokatheridium'' *''Deltatheridium'' *''Deltatheroides'' *''Oklatheridium'' *''Nanocuris'' *''Sulestes'' ==References== 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「Deltatheridiidae」の詳細全文を読む スポンサード リンク
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