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西藏丁青蛇绿岩带中一个晚三叠世放射虫动物群
引用本文:王玉净,王建平,裴放.西藏丁青蛇绿岩带中一个晚三叠世放射虫动物群[J].微体古生物学报,2002,19(4):323-336.
作者姓名:王玉净  王建平  裴放
作者单位:1. 中国科学院南京地质古生物研究所,南京,210008
2. 河南地质调查研究院,郑州,450007
基金项目:国家自然科学基金 ( N o.4 0 172 0 0 4 ),中国科学院南京地质古生物研究所现代地层和古生物学国家重点实验室的资助
摘    要:西藏丁青地区晚三叠世Carnian期放射虫动物群共描述19属35种(7个未定种),归于16科(亚科)中,以Capnuchosphaera,Palaeosaturnalis,Perispongidium,Spongostylus,Annulotriassocampe,Poulpus,Xenorum,Veghicyclia,Tetraporobrachia,Canoptum,Xiphotheca等属为主的这个动物群被命名为Capnuchosphaera triassica组合带,由于Capnuchosphaera属在全世界广泛分布,无论在特提斯生物大区还是环太平洋生物大区,以这个属为主的放射虫动物群已成为国际间Carnian期至Norian早中期放射虫地层学对比的重要依据。

关 键 词:卡宁期  西藏  丁青  蛇绿岩带  晚三叠世  放射虫动物群
修稿时间:2002年8月13日

A LATE TRIASSIC RADIOLARIAN FAUNA IN THE DINGQING OPHIOLITE BELT, XIZANG (TIBET)
WANG Yu,jing.A LATE TRIASSIC RADIOLARIAN FAUNA IN THE DINGQING OPHIOLITE BELT, XIZANG (TIBET)[J].Acta Micropalaeontologica Sinica,2002,19(4):323-336.
Authors:WANG Yu  jing
Abstract:The Late Triassic (Carnian) radiolarian faunas found in Dingqing area, Tibet comprise 35 species (including 7 unidentified species), belonging to 19 genera, which are grouped in 16 family (subfamily). The above mentioned radiolarians are dominated by the genera Capnuchosphaera, Palaeosaturnalis, Perispongidium, Spongostylus, Annulotriassocampe, Poulpus, Xenorum, Veghicyclia, Tetraporobrachia, Canoptum, Xiphotheca and named the Capnuchosphaera triassica assemblage zone. Because the genus Capnuchosphaera is widely distributed in the world, the Capnuchosphaera dominated radiolarian fauna is considered as important base for correlation in the international Carnian to Early-Middle Norian radiolarian biostratigraphic sequences.
Keywords:Radiolaria    Capnuchosphaera      Late Triassic    Carnian    Dingqing    Xizang(Tibet)
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