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Nanosiren
''Nanosiren garciae'' is an extinct sirenian mammal, a pygmy, tusked sea cow of the family Dugongidae, genus ''Nanosiren'', living in warm shallow seas approximately 11.610—3.6 Ma during the Miocene, existing approximately . It is evolutionarily related to modern species of manatees and dugongs. The species is listed in the Paleobiology Database, funded by the Australian Research Council. In their book, ''Ecology and Conservation of the Sirenia: Dugongs and Manatees'', authors Helena Marsh, Thomas J. O'Shea and John E. Reynolds, III, describe the evolution of ''Nanosiren garciae'' from the ''Crenatosiren'' lineage, and argue that their small size allowed them access to very shallow water unavailable to larger sea mammals. ==Taxonomy== ''Nanosiren garciae'' was named by Domning and Aguilera (2008). Its name was attributed to Domning, not Domning and Aguilera. It was assigned to Dugonginae by Domning and Aguilera (2008).〔(【引用サイトリンク】url=http://taxonomicon.taxonomy.nl/TaxonTree.aspx?id=1136400 )〕
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