The small mammal assemblage from the Late Miocene of Dolhești-1 (Moldavian Platform - Romania)

IF 1.6 4区地球科学 Q2 PALEONTOLOGY

Geobios Pub Date : 2025-02-01 DOI:10.1016/j.geobios.2024.11.001

Dumitru-Daniel Badea , Bogdan-Gabriel Răţoi , Vicente D. Crespo , Mihai Brânzilă

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Abstract

Dolhești-1 is located 50 km south of Iași town (Iași County), in the northeast part of Romania. The sedimentary deposits exposed at Dolhești-1 belong to the last megacycle of the Moldavian Platform. Approximately one ton of sediment was screen-washed to collect the fossils using stable sieves. The most essential fossil elements identified in the locality were teeth of small mammals. More than 30 teeth were identified belonging to nine taxa: Hansdebruijnia erksinae, Neocricetodon progressus, Vasseuromys pannonicus, Myomimus dehmi, Hylopetes aff. hoeckarum, Sciuridae indet., Ochotona eximia, Schizogalerix cf. sarmaticum, and Crusafontina cf. kormosi, the rodents being the most diverse group. Based on the presence of Vasseuromys pannonicus, the age of the small mammal assemblage is interpreted as early Turolian (MN 11, Late Miocene). The genera Vasseuromys, Hylopetes, and Hansdebruijnia are reported for the first time in the Late Miocene of eastern Romania. This small mammal assemblage identified from Dolhești-1 represents the first early Turolian microvertebrate findings from the Late Miocene of Romania. The diversity of this faunal association represents an advantage for the interpretation of the paleoenvironment. Furthermore, the discovery of these taxa constitutes an important contribution to the study of small mammals from the Late Miocene of the Eastern Carpathians Foreland, adding new data about Turolian localities in Eastern Europe.

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晚中新世Dolhești-1 （Moldavian台地-罗马尼亚）的小型哺乳动物组合

Dolhești-1位于罗马尼亚东北部Iași镇（Iași县）以南50公里处。在Dolhești-1暴露的沉积矿床属于摩尔达维亚地台的最后一个巨旋回。大约一吨的沉积物被筛洗，用稳定的筛子收集化石。在当地发现的最重要的化石元素是小型哺乳动物的牙齿。鉴定出的牙齿30余颗，隶属于9个分类群：Hansdebruijnia erksinae、Neocricetodon progressus、vasseurromys pannonicus、Myomimus dehmi、Hylopetes affer hoeckarum、Sciuridae indet。， Ochotona eximia, Schizogalerix c.s armaticum和Crusafontina c.s ormosi，这些啮齿动物是最多样化的群体。基于vasseurromys pannonicus的存在，该小型哺乳动物组合的时代被解释为晚中新世的早图罗纪（MN 11）。在罗马尼亚东部晚中新世首次报道了vasseurromys属、Hylopetes属和Hansdebruijnia属。在Dolhești-1上发现的这个小型哺乳动物组合代表了罗马尼亚晚中新世发现的第一个早期图罗利安微脊椎动物。这种动物群组合的多样性为解释古环境提供了有利条件。此外，这些分类群的发现对研究晚中新世东喀尔巴阡山脉前陆的小型哺乳动物有重要贡献，增加了关于东欧图罗利亚地区的新数据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Geobios 地学-古生物学

CiteScore

3.30

自引率

6.20%

发文量

审稿时长

6-12 weeks

期刊介绍： Geobios publishes bimonthly in English original peer-reviewed articles of international interest in any area of paleontology, paleobiology, paleoecology, paleobiogeography, (bio)stratigraphy and biogeochemistry. All taxonomic groups are treated, including microfossils, invertebrates, plants, vertebrates and ichnofossils. Geobios welcomes descriptive papers based on original material (e.g. large Systematic Paleontology works), as well as more analytically and/or methodologically oriented papers, provided they offer strong and significant biochronological/biostratigraphical, paleobiogeographical, paleobiological and/or phylogenetic new insights and perspectices. A high priority level is given to synchronic and/or diachronic studies based on multi- or inter-disciplinary approaches mixing various fields of Earth and Life Sciences. Works based on extant data are also considered, provided they offer significant insights into geological-time studies.