墨西哥哈利斯科的上新世淡水等足类(甲壳纲:甲壳纲:等足目)

IF 0.5 4区地球科学 Q4 GEOLOGY

Boletin De La Sociedad Geologica Mexicana Pub Date : 2023-04-15 DOI:10.18268/bsgm2023v75n1a271122

Leonardo García-Vázquez, J. Alvarado‐Ortega, F. Vega

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引用次数: 0

摘要

在墨西哥中西部哈利斯科州阿马蒂特兰圣罗莎大坝地区的一个古老湖盆中发现的上新世火山沉积灰中，描述了一种新的淡水等足类动物属和物种。新的等足类动物以一些尸体和蜕皮为代表。由于保存相对较差，目前还无法提供进一步的形态学细节，但观察到的特征足以将这种等足类动物与任何现存或化石淡水鞘翅目物种区分开来。这一贡献扩展了墨西哥等足类化石所在地的地层和地理记录，是该国记录的最年轻的Peracarida化石。

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Pliocene freshwater isopods (Crustacea: Peracarida: Isopoda) from Jalisco, Mexico

A new genus and species of freshwater isopod is described from Pliocene volcanic sedimentary ashes found in an ancient lake basin in the Santa Rosa Dam region, Amatitlán, Jalisco, West-central Mexico. The new isopod is represented by a few corpses and molts. Due to the relatively poor preservation, no further morphological details can be offered to the moment, but the observed features are sufficient to distinguish this isopod from any living or fossil freshwater Sphaeromatidae species. This contribution extends the stratigraphic and geographic record of fossil isopod bearing localities in Mexico, being this the youngest fossil Peracarida recorded from this country.

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来源期刊

Boletin De La Sociedad Geologica Mexicana GEOLOGY-

CiteScore

1.40

自引率

12.50%

发文量

审稿时长

50 weeks

期刊介绍： The Boletín de la Sociedad Geológica Mexicana is a completely free-access electronic journal published semi-annually that publishes papers and technical notes with its main objective to contribute to an understanding of the geology of Mexico, of its neighbor areas, and of geologically similar areas anywhere on Earth’s crust. Geology has no boundaries so we may publish papers on any area of knowledge that is interesting to our readers. We also favor the publication of papers on relatively unfamiliar subjects and objectives in mainstream journals, e.g., papers devoted to new methodologies or their improvement, and areas of knowledge that in the past had relatively little attention paid them in Mexican journals, such as urban geology, water management, environmental geology, and ore deposits, among others. Mexico is a land of volcanos, earthquakes, vast resources in minerals and petroleum, and a shortage of water. Consequently, these topics should certainly be of major interest to our readers, our Society, and society in general. Furthermore, the Boletín has been published since 1904; that makes it one of the oldest scientific journals currently active in Mexico and, most notably, its entire contents, from the first issue on, are available online.