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Steneofiber
''Steneofiber'' is an extinct genus of beavers from Eurasia. This small, 30-cm-long (1-ft-long) creature probably lived in large freshwater lakes, like present day beavers. A semiaquatic lifestyle is indicated by the presence of combing-claws, which living beavers use to waterproof their fur. Most likely, it was incapable of bringing down trees like its modern relatives. ''Steneofiber'' was more terrestrial than modern beavers, living in burrows. The finding of a possible family group of ''Steneofiber'' skeletons in France has been used to infer that the genus employed a K-selected reproductive strategy like modern beavers, in which extensive parental care is given to a small number of offspring.〔 ''Steneofiber'' is among earliest known members of the subfamily Castorinae, which includes beavers more closely related to the two living species than to the recently extinct giant beaver. It is probably descended from the earliest castorine, ''Propalaeocastor''. ==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「Steneofiber」の詳細全文を読む
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