埃及北西奈的上古生代（下白垩世）Cheloniceratinae Spath, 1923 (Ammonoidea, Douvilleiceratidae)

IF 1 4区地球科学 Q4 PALEONTOLOGY

Annales de Paleontologie Pub Date : 2024-07-01 DOI:10.1016/j.annpal.2024.102688

Jens Lehmann , Mohamed Fouad Aly

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引用次数: 0

摘要

本文描述了来自马格拉地区始新世（Aptian）演替的新材料，即Cheloniceratinae Spath, 1923亚科的Cheloniceratinae。我们记录了分别产自下安息年和上安息年的Cheloniceras cornuelianum和Epicheloniceras tschernyschewi。这些分布广泛的常见物种对超区域相关性非常重要，我们还确定了它们在加巴尔拉加马和加巴尔阿布鲁库姆关键地段的地层范围。我们还简要介绍了这两个物种的古生物地理学意义。

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Cheloniceratinae Spath, 1923 (Ammonoidea, Douvilleiceratidae) in the upper Aptian (Lower Cretaceous) of North Sinai, Egypt

New material of the ammonite subfamily Cheloniceratinae Spath, 1923 is described from the Aptian successions of the Maghara area. We record Cheloniceras cornuelianum as well as Epicheloniceras tschernyschewi from the lower and upper Aptian, respectively. These very widely distributed and common species are important for the supraregional correlation, and we establish their stratigraphic range for the Gabal Lagama and Gabal Abu Ruqum key sections. A short account is given about the palaeobiogeographic significance of both species.

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来源期刊

Annales de Paleontologie 地学-古生物学

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Créées par Marcellin Boule en 1905, les Annales de Paléontologie publient 4 numéros par an traitant des fossiles animaux et végétaux, dans tous les domaines de la paléontologie incluant : -La Paléoanatomie- La Paléohistologie- La Morphologie fonctionnelle- La Systématique- L''Évolution- La Paléoécologie ... et toute les contributions susceptibles d''améliorer la compréhension des organismes et des environnements éteints.