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Campanian–early Eocene cephalopods from Kharga Oasis, Western Desert, Egypt
Annales de Paléontologie ( IF 1 ) Pub Date : 2018-11-22 , DOI: 10.1016/j.annpal.2018.10.003
Abdel Galil A. Hewaidy , Gamal M. El Qot , El Sayed M. Moneer

The Campanian–lower Eocene sedimentary succession in the Kharga Oasis yields rare cephalopods that have so far received little attention. Eight cephalopod species; six nautiloids and two ammonites, are identified in the study area. The nautiloids are referred to five genera in three families. All nautiloid species are recorded from the Paleocene and Eocene rocks, two of which are described as new, as follows: Cimomia kurkurensis nov. sp. and Deltoidonautilus hassani nov. sp. The two ammonite species are Libycoceras ismaelis (von Zittel, 1884) and Baculites ovatus Say, 1820, representing the families Sphenodiscidae and Baculitidae, respectively. Baculites anceps of Quaas (1902, non Lamarck, 1822) from the Maastrichtian of the Western Desert of Egypt is here assigned to Baculites ovatus. The palaeobiogeography of these species is studied in detail.



中文翻译:

来自埃及西部沙漠喀尔加绿洲的褶皱-早始新世头足类动物

喀尔加绿洲中的Campanian-下始新世沉积演替产生了稀有的头足类动物,到目前为止,它们几乎没有受到关注。八个头足类;在研究区域中发现了六个鹦鹉螺和两个炸药。鹦鹉螺被称为三个科中的五个属。所有的鹦鹉螺类物种都记录在古新世和始新世岩石中,其中两个被描述为新岩石,如下所示:Cimomia  kurkurensis nov。sp。和Deltoidonautilus  hassani nov。sp。这两个菊种Libycoceras  ismaelis(冯Zittel,1884年)和杆菊石 说,1820年,占家庭分别Sphenodiscidae和Baculitidae。cul 来自埃及西部沙漠的马斯特里赫特人的Quaas(1902年,非Lamarck,1822年)的巨石在这里被分配给卵圆 。对这些物种的古生物地理学进行了详细研究。

更新日期:2018-11-22
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