Late Cretaceous (Cenomanian-Turonian) ammonites from southern Morocco and south western Algeria

被引：27
作者：
Meister, Christian [1 ]
Piuz, Andre [1 ]
Cavin, Lionel [1 ]
Boudad, Larbi [2 ]
Bacchia, Flavio [3 ]
Ettachfini, El M. [4 ]
Benyoucef, M. [5 ]
机构：
[1] Museum Hist Nat, Dept Geol & Paleontol, 1 Route Malagnou,CP 6434, CH-1211 Geneva 6, Switzerland
[2] Univ Moulay Ismail, Fac Sci, BP 11201, Zitoune 50070, Meknes, Morocco
[3] Via Flavia 35, I-34148 Triestre, Italy
[4] Chouaib Doukkali Univ, Dept Geol, BP 20, El Jadida 24000, Morocco
[5] Univ Mascara, Dept Sci Terre & Univers, Fac Sci Nat & Vie, Mascara, Algeria
来源：
ARABIAN JOURNAL OF GEOSCIENCES | 2017年 / 10卷 / 01期
基金：
英国科研创新办公室;
关键词：
Ammonites; Cretaceous; CenomanianTuronian; Biostratigraphy; Taxonomy; Africa; Morocco; Algeria; DEPOSITIONAL ENVIRONMENT; IBERIAN TROUGH; EASTERN DESERT; AREA ALGERIA; MIDDLE ATLAS; GUIR AREA; BOUNDARY; TRANSGRESSION; STRATIGRAPHY; FAUNAS;
D O I：
10.1007/s12517-016-2714-1
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
On the basis of nine lithostratigraphical profiles, 23 cephalopods taxa (nautilus and ammonites) are described from the Preafrican Trough and the Kem Kem region. Among them, a new species is proposed: Spathites (Jeanrogericeras) asflaensis nov. sp. This fauna is placed in its biostratigraphical framework and correlated with the standard zonation of the late Cenomanian-early Turonian. Moreover, stratigraphic correlations are proposed for the whole Maghreb from the Tarfaya Basin in the west to central Tunisia in the east. Selected taxa reveal the paleogeographical context of the western Tethys; a complex distribution of emerged areas and epicontinental seas impacted by an important marine trangression that constantly modified the costaline.
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页数：46
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