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A2004CUGB 5012,格米格组(赫塘阶); 3 . 侧视(硅胶模型),6b. 局部放大,示缝合线形态,登记号 A2004CUGB 7 0 0 9 , 格 米 格 组 ( 赫 塘 阶 ) 7 - 8 . 卡 莫 菊 石 ( 未 定 种 ) K a m m e r k a r i t e s sp. 侧视(硅胶模型),登 记号A2004CUGB5016,格米格组(赫塘阶)。 图 版 7 1 ~7. 侧视(硅胶模型),登记号A2004CUGB 7088,格 米 格 组 ( 赫 塘 阶 ) ; 4 a . 住 室 旋 环 侧 视 ’ 4 b . 登 记 号 A 2 0 0 4 C U G B 6028,格米格组(赫塘阶);5. 侧视(硅胶模型),登记号A2010CUGB0118,格米格 组(赫塘阶)。 图 版 8 1 ~4. 等。王乃文等人(1983)在洛扎地区做过较详细的丁作。该 地区早侏罗世地层称为打隆群。打隆群包括陆热组(上)和扎日组(下)。在洛扎县城河 以北的扎日沟剖面的陆热组上段有普林斯巴期Arietitidae科菊石的分子(王乃文等, 1983,图版3-2)�扎日组下段有辛涅缪尔期(但是这些标本后来都没有正式描 述出版)。在此之后的20余年,藏南早侏罗世菊石地层学研究进展甚微。 聂拉木地区早侏罗世地层曾命名为聂聂雄拉群下组(王义刚,张明亮,1刃4,赵金 科,1976),稍后又更名为普普嘎组(王义刚,1980)�赵金科,王义刚(1976)在聂拉 木下侏罗统(普普嘎组)建立三个菊石层, 分别是 Nyalamocems nylameme (土阿辛阶), Gleviceras sp.

502 � 5 9 2 -. I n Zittel, K. A. ( Translated by Eastman, C. R. ) , T e x t b o o k of paleontology. Vol. 1. MacMillan, New York, NY and London, 706 pp Hyatt, A. 1889. Genesis of the Arietidae. Smithsonian Contributions to Knowledge, 6 7 3 , 238 pp Hyatt,A. 1884. Genera of fossil cephalopods. Proceedings of the Boston Society of Natural History,22 : 273 � 3 3 8 Hyatt, A. 1867. The fossil cephalopods of the Museum of Comparative Zoology. -Bulletin of the Museum of Comparative Zoolo g y , 丨 ( 3 ) , 71 � 1 0 2 Kment, K.

2000b. Die Ammoniten-Fauna des siidamerikanischen Hettangium (basaler Jura),Teil III. -Palaeontographica, (A), 258; 6 5 - 1 1 6 Hillebrandt, A. V. 1994. The Triassic/Jurassic Boundary and Hettangian Biostratigraphy in the Area of the Utcubamba Valley (Northern Peru) . -G^obios, M6moires speciales, 17: 297 � 3 0 7 Hillebrandt, A. ,Krystyn, L 2009. On the oldest Jurassic ammonites of Europe ( NorthernCalcareous Alps, Austria) and their global significance. -N. Jb. Geol. Palaont. Abh. Vol. 2 5 3 / 2 - 3 : 163 ~ 195 Hillebrandt, A.

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