New data on the new micromammalian localities of Afoud (Aït Kandoula Basin, Morocco) at the Mio-Pliocene boundary: Biochronological, paleoecological and paleobiogeographic implications

IF 1.6 4区 地球科学 Q2 PALEONTOLOGY
Salamet Mahboubi, Jérôme Surault, Mouloud Benammi
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引用次数: 1

Abstract

Small mammal remains have been discovered in three new outcrops from the Afoud locality. This site is significant from a paleontological point of view because it has yielded fauna of European affinities (Castillomys, Occitanomys, Stephanomys, Eliomys, and Prolagus). The presence of two different species of Arvicanthis from the Afoud locality represents the oldest record in North Africa. The association of small mammals from the AF12-2 deposits provides an approximate view of the local environment and climate at the time of the formation of this locality. This faunal assemblage indicates a warm, temperate, semi-arid climate and an open vegetation cover of wooded savannah. Fossil assemblages documented in this paper expand our knowledge on the Late Miocene–Early Pliocene small mammal communities of the Aït Kandoula Basin. This study provides useful data for understanding the paleobiogeography of the Mediterranean region and faunal exchanges between North Africa and the Iberian Peninsula that took place before the Messinian Salinity Crisis.

关于Afoud (Aït Kandoula Basin, Morocco)中新世-上新世边界微哺乳动物新分布的新资料:生物年代学、古生态学和古生物地理学意义
在阿富德地区的三个新的露头中发现了小型哺乳动物的遗骸。从古生物学的角度来看,该遗址具有重要意义,因为它发现了与欧洲相近的动物群(Castillomys, Occitanomys, Stephanomys, Eliomys和Prolagus)。在阿富德地区发现的两种不同的阿维坎龙代表了北非最古老的记录。从AF12-2沉积物中发现的小型哺乳动物的组合可以大致了解该地区形成时的环境和气候。这种动物组合表明了一个温暖、温带、半干旱的气候和一个开放的植被覆盖的树木繁茂的大草原。本文记录的化石组合扩展了我们对Aït Kandoula盆地晚中新世-上新世早期小型哺乳动物群落的认识。该研究为了解地中海地区的古生物地理以及北非和伊比利亚半岛在迈西尼亚盐危机之前的动物交流提供了有用的数据。
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
Geobios 地学-古生物学
CiteScore
3.30
自引率
6.20%
发文量
28
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.
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