Ximena Maria Constanza Ovando, Luiz Eduardo M. Lacerda, S. B. dos Santos
{"title":"First Documented Record of Sineancylus rosanae (Gutiérrez Gregoric, 2012) (Mollusca: Planorbidae: Ancylinae) in Southern Brazil","authors":"Ximena Maria Constanza Ovando, Luiz Eduardo M. Lacerda, S. B. dos Santos","doi":"10.4003/006.039.0105","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":7779,"journal":{"name":"American Malacological Bulletin","volume":null,"pages":null},"PeriodicalIF":0.4000,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"American Malacological Bulletin","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.4003/006.039.0105","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MARINE & FRESHWATER BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
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.
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.
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