Issue 2,2000 Table of Contents

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  • 1  ON THE GENUS PRODAMESELLA CHANG 1957 (CAMBRIAN TRILOBITA)
    YUAN Jin-Liang YIN Gong-Zheng
    2000(2):250-262.
    [Abstract](5) [HTML](0) [PDF 586.16 K](333)
    Abstract:
    根据贵州东部万山镇之南羊尾舟至寄马冲剖面中晚寒武世花桥组和车夫组所产丰富的新材料 ,将Pro-damesella分成 3个亚属 :Prodamesella (Prodamesella) Chang 1 957,Prodamesella (Metaprodamesella) subgen .nov .,Prodamesella (Neoprodamesella) subgen .nov .;鉴于头盖和尾部的特征 ,将Prodamesella从Damesellidae科移至Missisiquoiidae科 ,并扼要地讨论该科内属的系统演化关系。此外 ,记述 5新种 (新亚种 ) :Prodamesella (Pro-damesella)lata sp .nov .,Prodamesella (Prodamesella)cylindrica sp .nov .,Prodamesella (Metaprodamesella)tri-angulataprisca subgen .et subsp .nov .,Prodamesella (Metaprodamesella) granulosa subgen .et sp .nov .,Prodamesella (Neoprodamesella) spinosa subgen .et sp .nov

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