三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 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??(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)?。?? 之??(zhi)前?(qian)??，在??(zai)羅??(luo)平??(ping)生??(sheng)物??(wu)群?(qun)發(fā)??(fa)現(xiàn)??(xian)的??(de)鉸??(jiao)齒??(chi)魚??(yu)類??(lei)都??(dou)可??(ke)以?(yi)歸??(gui)入??(ru)拱??(gong)魚??(yu)目??(mu)??，但??(dan)圓??(yuan)尾??(wei)滇??(dian)東??(dong)魚?(yu)的??(de)獨??(du)特??(te)骨?(gu)骼??(ge)形??(xing)態(tài)??(tai)特??(te)征??(zheng)顯??(xian)然??(ran)區(qū)??(qu)別??(bie)于??(yu)拱??(gong)魚??(yu)目??(mu)魚??(yu)類??(lei)??。?此??(ci)次??(ci)研??(yan)究??(jiu)在?(zai)詳??(xiang)細??(xi)的??(de)骨??(gu)骼??(ge)形??(xing)態(tài)??(tai)學??(xue)研??(yan)究??(jiu)基??(ji)礎??(chu)上??(shang)??，將??(jiang)圓??(yuan)尾?(wei)滇??(dian)東??(dong)魚??(yu)納??(na)入??(ru)大??(da)尺??(chi)度??(du)的?(de)分??(fen)支??(zhi)分??(fen)析??(xi)中??(zhong)??，研??(yan)究??(jiu)結??(jie)果?(guo)顯??(xian)示??(shi)??，圓??(yuan)尾??(wei)滇??(dian)東??(dong)魚??(yu)位??(wei)于??(yu)鉸??(jiao)齒??(chi)魚??(yu)類??(lei)的??(de)最??(zui)底??(di)部??(bu)??。
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責編：楊之光
審核：吉尼
責編：呂程平