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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)??。??　　徐??(xu)光??(guang)輝??(hui)研??(yan)究??(jiu)員??(yuan)表??(biao)示?(shi)??，在??(zai)分??(fen)類??(lei)學?(xue)上??(shang)??，雀??(que)鱔??(shan)及??(ji)其??(qi)祖??(zu)先??(xian)類??(lei)型??(xing)(如??(ru)半??(ban)椎??(zhui)魚??(yu)目??(mu)和?(he)拱?(gong)魚?(yu)目??(mu))統(tǒng)?(tong)稱??(cheng)為??(wei)鉸??(jiao)齒?(chi)魚??(yu)類??(lei)??，構(gòu)??(gou)成??(cheng)輻??(fu)鰭??(qi)魚??(yu)亞??(ya)綱?(gang)中?(zhong)新??(xin)鰭??(qi)魚??(yu)類??(lei)的??(de)三??(san)大??(da)主??(zhu)要??(yao)類?(lei)群??(qun)之??(zhi)一??(yi)??。??

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