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DISCUSSION ON FOUR CONODONT SPECIES OF HISTIODELLA FROM TARIM BASIN AND THEIR STRATIGRAPHIC IMPLICATION
Author(s): 
Pages: 357-369
Year: Issue:  4
Journal: ACTA MICROPALAEONTOLOGICA SINICA

Keyword:  牙形石Histidella谱系带奥陶系地层对比塔里木盆地;
Abstract: 作者描述了产自塔里木盆地的Histiodella Hass的四个种,并探讨了它们与中国北方和北美中大陆暖水型牙形石及中国南方和北大西洋冷水型牙形石的对比关系.认为Histiodella sinuosa带对比北美中大陆牙形石动物群3的下部、中国南方Amorphognathus variabilis带下部和中国北方Aurilobodus leptosomatus-Loxodus dissectus 带下部.Histiodella holodentata带下部相当于中国北方Aurilobodus leptosomatus-Loxodus dissectus带中部或中国南方的Amorphognathus variabilis带至Eoplacognathus suecicus带的下部.Histiodella kristinae带对比北大西洋区的Eoplacognathus suecicus带中上部和中国北方的Tangshanodus tangshanensis带.Histiodella bellburnensis带对比北大西洋区的Eoplacognathus suecicus带的上部到Eoplacognathus foliaceus带下部.Histiodella Hass与北大西洋区和中国北方区典型牙形石的共同出现可以作为一个桥梁,建立起北美中大陆、北大西洋、塔里木盆地及华北地区牙形石的对比关系.
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