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      Terrestrial Gastropoda from the caves of Presidente Olegário, southeastern Brazil Translated title: Gastrópodes terrestres de cavernas da região de Presidente Olegário no sudeste brasileiro

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          Abstract

          Abstract: Samples of terrestrial gastropods were collected year-round in seven caves in Presidente Olegário municipality, Minas Gerais state, southeastern Brazil, during several expeditions from 2012 to 2014. Twenty-four taxa (plus a single freshwater species), mainly stylommatophorans, were found in the material. The following species are reported for the first time for Minas Gerais state: Alcadia iheringi Wagner, 1910 and Helicina sordida King, 1831 (Helicinidae); Cecilioides consobrina (d’Orbigny, 1841) (Ferussaciidae); Entodina gionensis Morretes, 1940 and Scolodonta interrupta (Suter, 1900) (Scolodontidae); Megalobulimus sanctipauli (Ihering & Pilsbry, 1900) (Strophocheilidae); Drymaeus coarctatus (Pfeiffer, 1845) (Bulimulidae); Habroconus semenlini (Moricand, 1846) (Euconulidae); and Solaropsis aff. rosaria (Pfeiffer, 1849) (Solaropsidae). Furthermore, the species Drymaeus iracema (Simone, 2015) and Drymaeus terreus (Simone, 2015) are synonymized with Drymaeus coarctatus (L. Pfeiffer, 1845).

          Translated abstract

          Resumo: Amostras de gastrópodes terrestres foram coletadas em sete cavernas na região do município de Presidente Olegário, Minas Gerais, Brasil, durane múltiplas expedições ao longo dos anos de 2012 a 2014. Vinte-e-quatro táxons (mais uma única espécie dulciaquícola) foram encontrados, em sua maioria Stylommatophora. As seguintes espécies são aqui reportadas pela primeira vez para o estado de Minas Gerais: Alcadia iheringi Wagner, 1910 e Helicina sordida King, 1831 (Helicinidae); Cecilioides consobrina (d’Orbigny, 1841) (Ferussaciidae); Entodina gionensis Morretes, 1940 e Scolodonta interrupta (Suter, 1900) (Scolodontidae); Megalobulimus sanctipauli (Ihering & Pilsbry, 1900) (Strophocheilidae); Drymaeus coarctatus (Pfeiffer, 1845) (Bulimulidae); Habroconus semenlini (Moricand, 1846) (Euconulidae); e Solaropsis aff. rosaria (Pfeiffer, 1849) (Solaropsidae). Além disso, as espécies Drymaeus iracema (Simone, 2015) e Drymaeus terreus (Simone, 2015) são aqui sinonimizadas com Drymaeus coarctatus (L. Pfeiffer, 1845).

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          Most cited references108

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          The Global Decline of Nonmarine Mollusks

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            Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families

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              Not knowing, not recording, not listing: numerous unnoticed mollusk extinctions.

              Mollusks are the group most affected by extinction according to the 2007 International Union for Conservation of Nature (IUCN) Red List, despite the group having not been evaluated since 2000 and the quality of information for invertebrates being far lower than for vertebrates. Altogether 302 species and 11 subspecies are listed as extinct on the IUCN Red List. We reevaluated mollusk species listed as extinct through bibliographic research and consultation with experts. We found that the number of known mollusk extinctions is almost double that of the IUCN Red List. Marine habitats seem to have experienced few extinctions, which suggests that marine species may be less extinction prone than terrestrial and freshwater species. Some geographic and ecologic biases appeared. For instance, the majority of extinctions in freshwater occurred in the United States. More than 70% of known mollusk extinctions took place on oceanic islands, and a one-third of these extinctions may have been caused precipitously by introduction of the predatory snail Euglandina rosea. We suggest that assessment of the conservation status of invertebrate species is neglected in the IUCN Red List and not managed in the same way as for vertebrate species.
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                Author and article information

                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas, SP, Brazil )
                1676-0611
                2021
                : 21
                : 2
                : e20201169
                Affiliations
                [1] Wellington orgnameMuseum of New Zealand Te Papa Tongarewa New Zealand
                [2] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Museu de Zoologia Brazil
                [3] Ribeirão Preto orgnameUniversidade de São Paulo orgdiv1Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto Brazil
                Article
                S1676-06032021000200203 S1676-0603(21)02100200203
                10.1590/1676-0611-bn-2020-1169
                6b4e85d8-cba8-4df6-b837-cc287229111d

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 03 March 2021
                : 01 December 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 108, Pages: 0
                Product

                SciELO Brazil

                Categories
                Article

                Neritimorpha,Stylommatophora,estigofauna,troglofauna,stygofauna,Minas Gerais

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