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''Eodelphis'' (ee-o-DEL-fiss) meaning "early opossum" '(Greek: ηώς, ''eos'' = dawn + δελφίς, ''delphis'' = opossum) is a genus of stagodont marsupials from the Late Cretaceous of North America, with distinctive crushing dentition. Named species include ''E. browni'' and the more advanced ''E. cutleri''. Both come from the Late Campanian (Judithian "Land Mammal Age") of Dinosaur Provincial Park, Alberta. Specimens are also known from the Judith River Formation of Montana. ''E. cutleri'' is related to the Maastrichtian genus ''Didelphodon'' as indicated by its enlarged premolars and more robust jaw. ''Eodelphis'' was probably an aquatic predator like its relative ''Didelphodon'', and may have weighed about 0.6 kg (1.3 lb), making it one of the largest mammals of its time. ==References== *Cifelli, R. L., Z.-X. Luo, et al. (2004). Mammals from the Age of Dinosaurs: Origins, Evolution and Structure. New York, Columbia University Press. *Clemens, W. A., Jr. (1979). Marsupialia. Mesozoic mammals: the first two-thirds of mammalian history. J. A. Lilligraven, Kielan-Jaworowska and W. A. Clemens, Jr. Berkeley, University of California Press: 192-220. *Matthew, W. D. (1916). "A marsupial from the Belly River Cretaceous. With critical observations upon the affinities of the Cretaceous mammals." Bulletin of the American Museum of Natural History 35: 477-500. *Sahni, A. (1972). "The vertebrate fauna of the Judith River Formation, Montana." Bulletin of the American Museum of Natural History 147(6): 323-412. *Smith Woodward, A. (1916). "On a mammalian mandible (Cimolestes cutleri) from an Upper Cretaceous formation in Alberta, Canada." Proceedings of the Zoological Society of London 158: 525-528. 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「Eodelphis」の詳細全文を読む スポンサード リンク
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