新地群岛水体中Gyraulus cfc . acronicus(腹足目，异鳃目，Planorbidae)的首次记录

Q3 Agricultural and Biological Sciences

Fauna Norvegica Pub Date : 2023-02-28 DOI:10.5324/fn.v42i0.4917

N. B. Ovchankova, A. Krasheninnikov

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引用次数: 0

摘要

关于俄罗斯联邦北极岛屿淡水软体动物多样性的知识仍然不完整。本研究首次记录了北古北界物种Gyraulus cf.acronicus（Férussac，1807）在Novaya-Zemlya群岛上的分布。这也是该群岛上首次发现淡水腹足类动物，也是古北区Gyraulus的最北记录。问题仍然存在：我们的发现是属于最近的还是亚化石或化石种群，以及腹足类动物如何在北极岛屿上定居。讨论了几种扩散的可能性：曾经连接群岛岛屿和大陆的陆桥，以及冰盖消退后蜗牛与其他动物的扩散。

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The first record of Gyraulus cf. acronicus (Gastropoda, Heterobranchia, Planorbidae) in waterbodies of the Novaya Zemlya Archipelago

The knowledge on diversity of freshwater molluscs in the Arctic islands of the Russian Federation remains incomplete. The present study provides the first record of the North Palaearctic species Gyraulus cf. acronicus (Férussac, 1807) on the Novaya Zemlya Archipelago. It is also the first finding of freshwater gastropods on the archipelago and the northernmost record for Gyraulus in the Palaearctic Region. The questions still remain: whether our finding belongs to a recent or a subfossil or fossil population, and how gastropods could colonize the Arctic islands. Several possibilities of dispersal are discussed: the former land-bridge once connecting the archipelago islands to the mainland, and the dispersal of snails with other animals after the Ice Sheet retreat.

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来源期刊

Fauna Norvegica Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

28 weeks