大型兽脚亚目棘龙:白垩纪南方大陆食肉恐龙群的重要组成部分

IF 2.6 3区地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY

Bulletin de la Societe Geologique de France Pub Date : 2018-07-01 DOI:10.1051/BSGF/2018010

C. Candeiro, Lívia Motta Gil, P. Castro

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引用次数: 4

摘要

早白垩世北非有棘龙科恐龙的遗迹，如在阿尔及利亚(Guir盆地，Kem Kem地层)、埃及(Bahariya组)、摩洛哥(Kem Kem地层)和突尼斯(Ain El Guettar组)记录的棘龙。到目前为止，已经确定了三种可能的棘龙:埃及棘龙、棘龙sp.和棘龙B。该属在非洲Albian-Cenomanian岩石中的出现表明，该属在非洲白垩纪中期的所有大型食肉动物属和种中时间和地理分布是最大的。从阿尔比亚到塞诺曼尼亚的棘龙化石记录显示，这个属在冈瓦纳生态系统中存在了2000万年。

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Large-sized theropod Spinosaurus: an important component of the carnivorous dinosaur fauna in southern continents during the Cretaceous

The Early Cretaceous of North Africa has Spinosaurinae dinosaur remains such as Spinosaurus recorded in Algeria (Guir Basin, Kem Kem beds), Egypt (Bahariya Formation), Morocco (Kem Kem beds), and Tunisia (Ain El Guettar Formation). Until now, three possible Spinosaurus species were identified: Spinosaurus aegyptiacus , Spinosaurus sp. and Spinosaurus “B”. The occurrence of this genus in the Albian-Cenomanian rocks of Africa suggests that the temporal and geographic distribution of these spinosaurines is the largest one among all genera and species of megapredators from the middle Cretaceous of Africa. The fossil record of Spinosaurus from the Albian to the Cenomanian shows a 20 million year persistence of this genus in Gondwanan ecosystems.

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来源期刊

Bulletin de la Societe Geologique de France 地学-地球科学综合

CiteScore

5.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： BSGF - Earth Sciences Bulletin publie plusieurs types de contributions : 1. des articles originaux, couvrant tous les champs disciplinaires des Géosciences, à vocation fondamentale mais également à vocation plus appliquée (risques, ressources); 2. des articles de synthèse, faisant le point sur les avancées dans un domaine spécifique des Géosciences, qu''elles soient méthodologiques ou régionales ; 3. des monographies sur la géologie d’une région donnée, assorties d’informations supplémentaires, cartes, coupes, logs, profils sismiques … publiées en ligne en annexe de l’article ; 4. des articles courts de type « express letter » ; 5. des livrets-guides d’excursion (qui suivront le même processus d’examen éditorial que les articles plus classiques) ; 6. des comptes rendus de campagnes à la mer ; 7. des articles de données géodésiques, géophysiques ou géochimiques, pouvant devenir des articles de référence pouvant conduire à des interprétations ultérieures. BSGF - Earth Sciences Bulletin constitue également un forum pour les discussions entre spécialistes des Sciences de la Terre, de type comment-reply ou autre. Tous les articles publiés, quelle que soit leur forme, seront accessibles sans frais (articles en Open Access) sur le site de la SGF et sur celui de Geosciences World dans la mesure où les auteurs se seront acquittés d’une contribution de (Article Processing Charges – APC) de 300€ pour les membres de la SGF et 500€ pour les non-membres.