法国东南部Albian的Pusozia quenstedti (Parona & Bonarelli, 1897) (ammono总科，棘丝虫科)的成虫形态。分类的影响

IF 1.5 4区地球科学 Q2 GEOLOGY

Carnets De Geologie Pub Date : 2021-02-28 DOI:10.2110/carnets.2022.2204

Jean-Louis Latil, G. Delanoy, P. Delattre

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引用次数: 0

摘要

1878年在法国滨海阿尔卑斯地区的Albian of Lieuche (Alpes-Maritimes, France)收集了几个属于Puzosia Bayle属的成虫标本。与La Balme de Rencurel (is re，法国)的浓缩Albian水平的材料进行比较，特别是那些由Jacob(1908)描述和描绘的材料，突出了来自Lieuche的成年形式与来自法国东南部中下游Albian浓缩水平的不完整标本之间的形态学联系，并将它们确定为Puzosia quenstedti (Parona & Bonarelli, 1897)。这些关于该物种个体发育的新细节也为该物种的分类处理提供了新的视角。提出了一种改进的诊断方法。Douvilleiceras sp. juv的存在。aff. D. mammillatum (Schlotheim, 1813)在重叠的上覆层中可以将下阿尔白世(Douvilleiceras mammillatum Superzone)划分为中阿尔白世(Hoplites dentatus Zone)。

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Adult morphologies of Pusozia quenstedti (Parona & Bonarelli, 1897) (Ammonoidea, Desmoceratidae) in the Albian of the South-East of France. Taxonomic implications

Several adult specimens belonging to the genus Puzosia Bayle, 1878, were collected in the Albian of Lieuche (Alpes-Maritimes, France). Comparison with material from the condensed Albian levels of La Balme de Rencurel (Isère, France), in particular those described and figured by Jacob (1908), has highlighted a morphological link between the adult forms from Lieuche and the incomplete specimens from the condensed levels of the Lower-Middle Albian of south-eastern France and to identify them as Puzosia quenstedti (Parona & Bonarelli, 1897). These new details on the ontogenetic development of this species also allow new perspectives in the taxonomic treatment of Albian Puzosia species. A modified diagnosis of Puzosia quenstedti is proposed. The presence of Douvilleiceras sp. juv. aff. D. mammillatum (Schlotheim, 1813) in superimposed overlying levels allows assignation of a Lower Albian (Douvilleiceras mammillatum Superzone) to a basal Middle Albian age (Hoplites dentatus Zone).

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来源期刊

Carnets De Geologie Earth and Planetary Sciences-Geology

CiteScore

2.90

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Information not localized