NIGPAS OpenIR
湖北宜昌黄花场剖面中/下奥陶统界线附近的牙形刺
Alternative TitleCONODONTS ACROSS THE LOWER-MIDDLE ORDOVICIAN BOUNDARY IN THE HUANGHUACHANG SECTION OF YICHANG, HUBEI
李志宏1; 王志浩2; 汪啸风1; 陈孝红1; 王传尚1; 祁玉平1
2004
Source Publication古生物学报
ISSN0001-6616
Volume43.0Issue:1.0Pages:14-31
Abstract重点描述宜昌黄花场剖面中/下奥陶统界线附近的重要牙形剌共3属、5种和2新种Bergstroemognathus sp.nov.,Baltoniodus tetrachotomus Liand Wang sp.nov.,并对Oepikodus evae带和Baltoniodus triangularis带分子的首现位置及带的含义进行厘定。作者还在此剖面大湾组下段发现北美中大陆区暖水型牙形刺Tripodus laevis和Protoprioniodus aranda,并确定Tripodus laevis的首现位置在Baltoniodus triangularis带底界之上0.3m处。Tripodus laevis的首次出现曾提议为中奥陶统的底界的标志(见陈旭等,2000),在宜昌黄花场剖面上Tritodus laevis的首现位置接近Baltoniodus triangularis带底界,对确定中/下奥陶统界线很重要。由于在黄花场剖面可识别出Baltoniodus crassulus-B.gladiatus-B.triangularis演化谱系,作者建议以B.triangularis的首次出现作为中奥陶统的底界,宜昌黄花场剖面为中/下奥陶统界线的层型剖面。同时,文中将本区的牙形刺带与世界其它地区作了对比。
Keyword湖北宜昌 中/下奥陶统界线 牙形刺 黄花场剖面 动物
Indexed ByCSCD
Language中文
CSCD IDCSCD:1568538
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/39373
Collection中国科学院南京地质古生物研究所
Affiliation1.中国地质调查局宜昌地质调查中心
2.中国科学院南京地质古生物研究所
Recommended Citation
GB/T 7714
李志宏,王志浩,汪啸风,等. 湖北宜昌黄花场剖面中/下奥陶统界线附近的牙形刺[J]. 古生物学报,2004,43.0(1.0):14-31.
APA 李志宏,王志浩,汪啸风,陈孝红,王传尚,&祁玉平.(2004).湖北宜昌黄花场剖面中/下奥陶统界线附近的牙形刺.古生物学报,43.0(1.0),14-31.
MLA 李志宏,et al."湖北宜昌黄花场剖面中/下奥陶统界线附近的牙形刺".古生物学报 43.0.1.0(2004):14-31.
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