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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　來??(lai)自??(zi)中??(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)古??(gu)脊??(ji)椎?(zhui)動??(dong)物??(wu)與??(yu)古??(gu)人??(ren)類??(lei)研??(yan)究??(jiu)所??(suo)(古??(gu)脊??(ji)椎?(zhui)所??(suo))的??(de)最??(zui)新??(xin)消??(xiao)息??(xi)說??(shuo)??，該??(gai)所??(suo)徐??(xu)光??(guang)輝??(hui)研??(yan)究??(jiu)員??(yuan)聯(lián)??(lian)合??(he)曲??(qu)靖??(jing)師??(shi)范??(fan)學??(xue)院??(yuan)馬??(ma)昕??(xin)瑩??(ying)博??(bo)士??(shi)最??(zui)新??(xin)在??(zai)云??(yun)南??(nan)省??(sheng)曲??(qu)靖?(jing)市??(shi)羅??(luo)平?(ping)縣?(xian)約??(yue)2.44億??(yi)年??(nian)前??(qian)的??(de)中??(zhong)三??(san)疊??(die)世??(shi)海??(hai)相??(xiang)地??(di)層??(ceng)發(fā)??(fa)現(xiàn)??(xian)一??(yi)種??(zhong)新??(xin)的??(de)古?(gu)魚??(yu)類??(lei)化??(hua)石??(shi)??，命??(ming)名??(ming)為??(wei)“圓??(yuan)尾??(wei)滇??(dian)東??(dong)魚??(yu)”??，代??(dai)表??(biao)了??(le)世??(shi)界??(jie)上??(shang)最?(zui)古??(gu)老??(lao)、最??(zui)原??(yuan)始??(shi)的??(de)鉸??(jiao)齒??(chi)魚??(yu)類??(lei)??，為??(wei)揭??(jie)示??(shi)雀??(que)鱔??(shan)魚??(yu)類??(lei)的??(de)起??(qi)源??(yuan)提??(ti)供??(gong)重??(zhong)要??(yao)化??(hua)石??(shi)證?(zheng)據(jù)?(ju)??，相?(xiang)關??(guan)研??(yan)究??(jiu)成??(cheng)果??(guo)論??(lun)文??(wen)近??(jin)日?(ri)在??(zai)英??(ying)國??(guo)牛??(niu)津??(jin)大??(da)學??(xue)出??(chu)版??(ban)的??(de)《林??(lin)奈??(nai)動??(dong)物??(wu)學??(xue)報??(bao)》上??(shang)發(fā)??(fa)表??(biao)??。?　　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??(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??(tuan)隊??(dui)的??(de)重??(zhong)要??(yao)課??(ke)題??(ti)之??(zhi)一??(yi)??，該??(gai)團??(tuan)隊??(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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