巴西南部首次记录sinineancylus rosanae (gutisamurez Gregoric, 2012)(软体动物:Planorbidae: Ancylinae)

IF 0.4 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

American Malacological Bulletin Pub Date : 2022-12-15 DOI:10.4003/006.039.0105

Ximena Maria Constanza Ovando, Luiz Eduardo M. Lacerda, S. B. dos Santos

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引用次数: 0

摘要

摘要：玫瑰颈帽贝（Gutiérrez-Gregoric，2012）是一种淡水帽贝，其顶端位于外壳前侧的中线，与其他种类的帽贝不同。此前，在巴西巴拉那州和南里奥格兰德州，它被认为是Laevapex的一种。Agudo Padrón（2007）也提到了Laevapex sp.，但没有给出确切的位置或相关材料的图像。因此，尚不清楚这一记录是否真的是一个Laevapex物种或一个被误认的Sineancylus。由于其稀有性、分布有限和独特性，我们在这里提供了来自巴西巴拉那州的玫瑰孢的适当记录，扩大了其已知的分布范围。在Ocoí河（Medianeira市）发现了一个S.rosanae种群，附着在河中央的玄武岩上。本研究中分析的贝壳与原始描述非常吻合。

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First Documented Record of Sineancylus rosanae (Gutiérrez Gregoric, 2012) (Mollusca: Planorbidae: Ancylinae) in Southern Brazil

Abstract: Sineancylus rosanae (Gutiérrez Gregoric, 2012) is a freshwater limpet that has its apex located along midline on the anterior side of shell, different from other species of Ancylinae. Previously, it was considered a species of Laevapex in the Brazilian states of Paraná and Rio Grande do Sul. Agudo-Padrón (2007) also mentioned Laevapex sp. without giving a precise locality or an image of the material in question. Therefore, it is unknown if this record was really a Laevapex species or a misidentified Sineancylus. Due to its rarity, limited distribution, and its peculiar characters, herein we provide a proper record of S. rosanae from the state of Paraná, Brazil, expanding its known distribution. A population of S. rosanae was discovered in the Ocoí River (municipality of Medianeira) attached to basalt stones in the middle of the river. The shells analyzed in this study closely fit the original description.

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来源期刊

American Malacological Bulletin 生物-动物学

CiteScore

1.00

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： The American Malacological Bulletin serves as an outlet for reporting notable contributions in malacological research. Manuscripts concerning any aspect of original, unpublished research,important short reports, and detailed reviews dealing with molluscs will be considered for publication. Recent issues have included AMS symposia, independent papers, research notes,and book reviews. All published research articles in this journal have undergone rigorous peer review, based on initial editor screening and anonymous reviewing by independent expertreferees. AMS symposium papers have undergone peer review by symposium organizer, symposium participants, and independent referees.