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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　徐??(xu)光?(guang)輝??(hui)指??(zhi)出??(chu)??，這??(zhe)表??(biao)明??(ming)圓?(yuan)尾??(wei)滇??(dian)東??(dong)魚??(yu)比秘(bi)此??(ci)前??(qian)發(fā)??(fa)現(xiàn)??(xian)的??(de)拱??(gong)魚??(yu)目??(mu)及??(ji)歐??(ou)美??(mei)所??(suo)有??(you)鉸??(jiao)齒??(chi)魚??(yu)類??(lei)都??(dou)要??(yao)原?(yuan)始??(shi)??，代??(dai)表??(biao)了??(le)現(xiàn)??(xian)生??(sheng)雀??(que)鱔??(shan)魚??(yu)類?(lei)這??(zhe)一??(yi)演??(yan)化??(hua)支??(zhi)系??(xi)最??(zui)原??(yuan)始??(shi)的??(de)祖??(zu)先??(xian)類??(lei)型??(xing)??。??“通??(tong)俗??(su)地??(di)說??(shuo)??，中??(zhong)國??(guo)科?(ke)學(xué)??(xue)院??(yuan)古?(gu)脊??(ji)椎??(zhui)所??(suo)逮??(dai)到??(dao)天??(tian)下??(xia)第??(di)一??(yi)條??(tiao)雀??(que)鱔??(shan)魚??(yu)類??(lei)”??。　　鉸??(jiao)齒??(chi)魚??(yu)類??(lei)的??(de)起??(qi)源??(yuan)和??(he)早??(zao)期??(qi)演??(yan)化??(hua)是??(shi)中??(zhong)國??(guo)科??(ke)學(xué)??(xue)院??(yuan)古??(gu)脊??(ji)椎??(zhui)所??(suo)中??(zhong)生??(sheng)代??(dai)魚??(yu)類??(lei)研??(yan)究??(jiu)團(tuán)??(tuan)隊(duì)??(dui)的??(de)重??(zhong)要??(yao)課??(ke)題?(ti)之??(zhi)一?(yi)??，該??(gai)團(tuán)??(tuan)隊(duì)??(dui)近??(jin)年??(nian)來??(lai)的??(de)研??(yan)究??(jiu)表?(biao)明??(ming)??，鉸??(jiao)齒??(chi)魚??(yu)類??(lei)的??(de)起??(qi)源??(yuan)時??(shi)間??(jian)比??(bi)恐??(kong)龍??(long)還??(hai)要??(yao)早??(zao)??，恐?(kong)龍??(long)最??(zui)早??(zao)出??(chu)現(xiàn)?(xian)在??(zai)晚?(wan)三??(san)疊??(die)世??(shi)??，而??(er)最??(zui)古??(gu)老?(lao)的??(de)鉸??(jiao)齒??(chi)魚??(yu)類??(lei)在?(zai)中??(zhong)國??(guo)中?(zhong)三??(san)疊??(die)世??(shi)早??(zao)期??(qi)的??(de)羅??(luo)平??(ping)生?(sheng)物??(wu)群??(qun)中??(zhong)就?(jiu)已??(yi)經(jīng)??(jing)出??(chu)現(xiàn)??(xian)??，以??(yi)拱??(gong)魚??(yu)目??(mu)和??(he)這??(zhe)次??(ci)新??(xin)發(fā)??(fa)現(xiàn)??(xian)的??(de)圓??(yuan)尾??(wei)滇??(dian)東??(dong)魚??(yu)為??(wei)代??(dai)表?(biao)??。??(完??(wan))

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