Character, Age and Ecology of the Hezheng Biota from Northwestern China

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摘要 TheHezhengareaofGansuProvinceproducesthemostabundantmammalfossilsinChinaaswellasthewholeEurasia,anditalsoproducesotherCenozoicfossilsofdifferentanimalsandplants.Therefore,allofthemarenamedtheHezhengBiota.Mammalsareverysensitivetoenvironmentalchanges,andthustheevolutionofmammalianfaunasintheHezhengareareflectsthestrongupliftoftheTibetanPlateauduringtheLateCenozoic,whichdramaticallyaffectsenvironmentalchanges.IntheHezhengarea,micromammalsarenotveryrich,butsomeofthemstillareimportant.ItisrelativelyuncommonthatthreeprimatesarefoundfromtheMiddleMioceneandtheEarlyPleistocenedeposits.SincetheMiddleMiocene,carnivoreshavebecomeimportantcomponentsintheecosystemoftheHezhengarea,anddominatedintheEarlyPleistocene.TheMiddleMioceneisatimeofhighdiversityforProboscidea,characterizedbyshovel-tuskedelephants.PerissodactylsintheHezhengareaareveryabundant,especiallyLateOligoceneandLateMiocenerhinocerosesaswellastheLateMioceneandEarlyPleistocenehorses.FromtheMiddleMiocene,artiodactylsbecameimportantcomponentsofthemammalianfaunas,especiallybovids.
作者 DENG Tao
机构地区 不详
出处 《地质学报:英文版》 2005年6期
出版日期 2005年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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