New Neogene anourosoricin shrews from northern Asia

IF 2 4区地球科学 Q1 Earth and Planetary Sciences

Palaeontologia Electronica Pub Date : 2022-01-01 DOI:10.26879/1209

V. Zazhigin, L. Voyta

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Abstract

The shrews of the Anourosoricini tribe (Soricomorpha: Soricidae) were a broadly represented group of the subfamily Soricinae in the Neogene of Palaearctica and show high taxonomic diversity, up to now mostly in Europe. In the current study, the generic diversity of northern Asian anourosoricin is expanded to four: Crusafontina, Ishimosorex gen. nov., Paranourosorex and Anourosorex. Our investigation of original material from 22 Russian and Kazakh localities allowed us to describe fossil material for two endemic northern Asian genera, Ishimosorex gen. nov and Paranourosorex. Based on the dental features and stratigraphic position, we consider early Ishimosorex gen. nov. and later Paranourosorex to represent a single evolutionary lineage. The IshimosorexParanourosorex lineage existed from the Late Miocene (late Vallesian, MN 10) to early Pliocene (Ruscinian, MN 15) over a broad geographic range in northern Asia from southwestern Siberia to the Inner Mongolia region and consists of five species: Ishimosorex ishimiensis gen. et sp. nov., P. seletiensis, P. inexspectatus, Paranourosorex intermedius sp. nov. and P. gigas. Vladimir S. Zazhigin. Geological Institute (GIN), Russian Academy of Sciences, Pyzhevskii per. 7, Moscow, 109017, Russia. zazhvol@gmail.com Leonid L. Voyta. Zoological Institute (ZIN), Russian Academy of Sciences, Universitetskaya nab. 1, Saint Petersburg, 199034, Russia. leonid.voyta@zin.ru

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亚洲北部新第三纪无尾金鼩

Anourosoricini部落鼩鼱(Soricomorpha: Soricidae)是古北大陆新近纪Soricinae亚科中一个广泛代表的类群，具有很高的分类多样性，迄今主要分布在欧洲。在目前的研究中，北亚anourosoricin的属群多样性扩大到四个:Crusafontina、Ishimosorex gen. nov.、Paranourosorex和Anourosorex。我们对来自俄罗斯和哈萨克斯坦22个地方的原始材料进行了调查，使我们能够描述两个特有的北亚属，Ishimosorex gen. nov和Paranourosorex的化石材料。根据牙齿特征和地层位置，我们认为早期的Ishimosorex gen. 11和后来的parourosorex代表一个单一的进化谱系。Ishimosorex - Paranourosorex谱系存在于晚中新世(晚瓦列世，MN 10)至上新世早期(俄罗斯世，MN 15)，分布于西伯利亚西南部至内蒙古地区的北亚地区，由5个物种组成:Ishimosorex ishiimiensis gen. et sp. nov.， P. seletiensis, P. inexspecatus, Paranourosorex intermedius sp. nov.和P. gigas。Vladimir S. Zazhigin。俄罗斯科学院地质研究所，皮热夫斯基。7，莫斯科，109017，俄罗斯zazhvol@gmail.com列昂尼德·l·沃伊塔。俄罗斯科学院动物研究所(ZIN)。1、俄罗斯圣彼得堡，199034。leonid.voyta@zin.ru

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来源期刊

Palaeontologia Electronica 地学-古生物学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Founded in 1997, Palaeontologia Electronica (PE) is the longest running open-access, peer-reviewed electronic journal and covers all aspects of palaeontology. PE uses an external double-blind peer review system for all manuscripts. Copyright of scientific papers is held by one of the three sponsoring professional societies at the author''s choice. Reviews, commentaries, and other material is placed in the public domain. PE papers comply with regulations for taxonomic nomenclature established in the International Code of Zoological Nomenclature and the International Code of Nomenclature for Algae, Fungi, and Plants.