摘要
云南禄丰县川街盆地中侏罗统产出弓鲛鱼类化石后甸弓鲛(Hybodus houtienensis Young)、新庄弓鲛(新种)(Hybodus xinzhuangensis Sun)、川街弓鲛(新种)(Hybodus chuanjieensis Sun)。后甸弓鲛(Hybodus houtienensis Young)是中国发现最早的弓鲛鱼类之一,正型标本为破碎的鳍棘,副型标本为一枚牙齿齿冠。依据在川街盆地相同层位发现的新化石材料,对后甸弓鲛副型标本进行了增补,补充了描述,建立了2个弓鲛新种:新庄弓鲛与川街弓鲛,丰富了"后甸弓鲛带"弓鲛类群,并讨论了弓鲛属的生物地层、生活的古环境和地理分布特征。
Chuanjie basin in Lufeng County of Yunnan Province produced hybodontoidea＇s fossils in Middle Jurassic strata, which include Hybodus houtienensis, Hybodus xinzhuangensis （New species）, and Hybodus chuanjieensis （New species）. Hybodus houtienensis is one of the earliest hybodontoidea fottud in China, the holotype consists of broken spines, and subtype specimen is a tooth crown. On the basis of the new fossil material found in the same strata of Chnanjie Basin, we have added Subtype specimens of the Hybodus houtienensis, also added the description about it; the authors set up two new hybodus species： Hybodus xinzhuangensis and Hybodus chuanjieerzsis, thus enriching the group of ＂houtienensis hybodus belt＂. The biostratigraphy of Hybodont, ancient environment of biostratigraphy and geographical distribution were also discussed.
作者
孙柏东
王伟
刘军平
宋冬虎
吕勃烨
徐云飞
王璐
SUN Baidong;WANG Wei;LIU Junping;SONG Donghu;LU Boye;XU Yunfei;WANG Lu(Yunnan Institute of Geological Survey,Kunming 650216,Yunnan,China;Kunming University of Science and Technology,Kunming 650093,Yunnan,China)
出处
《地质通报》
CAS
CSCD
北大核心
2018年第11期1991-1996,共6页
Geological Bulletin of China
基金
中国地质调查局项目<云南1:5万二街
易门
鸣矣河
上浦贝幅区域地质调查>(编号:DD20160017)
<云南区域地质调查片区总结与服务产品开发>(编号:DD20160345-02)
云南省科技领军人才培养计划项目<西南"三江"叠合成矿作用与成矿预测>(编号:2013HA001)
关键词
后甸弓鲛
新庄弓鲛
川街弓鲛
川街盆地
滇中
Hybodus houtienensis
Hybodus xinzhuangensis
Hybodus chuanjieensis
Chuanjie Basin
central Yunnan Province
