onesource article date July 2009 Taxobox name Pseudoungulata fossil range Eocene ? Recent image Orycteropus afer01.jpg image width 250px image caption Aardvark regnum Animal ia classis Mammal ia subclassis Eutheria superordo Afrotheria unranked familia Pseudungulata subdivision ranks Order biology Order s subdivision Tubulidentata Paenungulata Hyracoidea Sirenia Proboscidea Pseudoungulata , or false hoofed mammals , is a possible clade made up of two subgroups, aardvarks and Paenungulata paenungulates hyrax es, elephant s, and sirenia ns . ref name Seiffert2007 cite journal author Seiffert, E.R. year 2007 title Female philopatry in a heterogeneous environment ordinary conditions leading to extraordinary ESS sex ratios journal BMC Evolutionary Biology volume 7 pages 13 url http www.biomedcentral.com content pdf 1471 2148 7 224.pdf accessdate 2008 04 19 doi 10.1186 1471 2148 7 13 pmid 17284311 last2 Guillon first2 JM pmc 1804258 ref Before this group was proposed, it was thought that aardvarks were more closely related to xenarthra ns. However, all of these mammals are now considered to be part of Afrotheria , which also includes elephant shrew s and afrosoricida ns. Other positions of aardvarks within Afrotheria are possible, such as being closest relatives of elephant shrews and or afrosoricidans. ref name Seiffert2007 References reflist Category Mammals es Pseudungulata eu Pseudoungulata it Pseudoungulata zh ... more details
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