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      Cave-dwelling gastropods (Mollusca: Gastropoda) of Brazil: state of the art and conservation

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          Abstract

          ABSTRACT An up-to-date list of exclusively cave-dwelling gastropod species recorded in Brazil is presented including updated taxonomy, detailed geographic information, and illustration of types. The list includes 18 cave-exclusive (troglobitic) gastropods encompassing 15 land and three freshwater species, with the status of further species pending additional studies. Their unusual morphology and diversity are discussed, as well as their conservation status and prospects in the current Brazilian environmental and political scenario.

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          Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families

          Philippe Bouchet, Bernhard Hausdorf, Andrzej Kaim … (2017)
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            Ecomorphological convergence of cave communities.

            Andrej Blejec, Cene Fišer, Peter Trontelj (2012)
            Extreme selective environments are commonly believed to funnel evolution toward a few predictable outcomes. Caves are well-known extreme environments with characteristically adapted faunas that are similar in appearance, physiology, and behavior all over the world, even if not closely related. Morphological diversity between closely related cave species has been explained by difference in time since colonization and different ecological influence from the surface. Here, we tested a more classical hypothesis: morphological diversity is niche-based, and different morphologies reflect properties of microhabitats within caves. We analyzed seven communities with altogether 30 species of the subterranean amphipod (crustacean) genus Niphargus using multivariate morphometrics, multinomial logit models cross-validation, and phylogenetic reconstruction. Species clustered into four distinct ecomorph classes-small pore, cave stream, cave lake, and lake giants-associated with specific cave microhabitats and of multiple independent phylogenetic origins. Traits commonly regarded as adaptations to caves, such as antenna length, were shown to be related to microhabitat parameters, such as flow velocity. These results demonstrate that under the selection pressure of extreme environment, the ecomorphological structure of communities can converge. Thus, morphological diversity does not result from adaptive response to temporal and ecological gradients, but from fine-level niche partitioning. © 2012 The Author(s). Evolution© 2012 The Society for the Study of Evolution.
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              Ensaio de catálogo dos moluscos do Brasil

              F Lange-de-Morretes, FL de Morretes, FL Morretes … (1949)
              Article 0 comments Cited 52 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): zool
                Title: Zoologia (Curitiba)
                Abbreviated Title: Zoologia (Curitiba)
                Publisher: Sociedade Brasileira de Zoologia (Curitiba, PR, Brazil )
                ISSN (Print): 1984-4670
                ISSN (Electronic): 1984-4689
                Publication date (Print and electronic): 2022
                Volume: 39
                Electronic Location Identifier: e21033
                Affiliations
                [5] São Carlos orgnameUniversidade Federal de São Carlos orgdiv1Laboratório de Estudos Subterrâneos Brazil lina.cave@ 123456gmail.com
                [1] Wellington orgnameMuseum of New Zealand Te Papa Tongarewa New Zealand
                [2] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Museu de Zoologia Brazil fernanda06@ 123456alumni.usp.br
                [4] Santos orgnameUniversidade Santa Cecília orgdiv1Programa de Pós-Graduação em Ciência e Tecnologia Ambiental Brazil carlomagenta@ 123456gmail.com
                [3] Ribeirão Preto orgnameUniversidade de São Paulo orgdiv1Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto orgdiv2Departamento de Biologia Brazil dccavallari@ 123456usp.br
                Article
                Publisher ID: S1984-46702022000100310 Publisher ID: S1984-4670(22)03900000310
                DOI: 10.1590/s1984-4689.v39.e21033
                SO-VID: 274841db-84b8-4136-89c1-8078f2f2ffed
                License:

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

                History
                Date accepted : 28 March 2022
                Date received : 21 October 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 57, Pages: 0
                Product

                SciELO Brazil

                Categories
                Subject: Research Article

                Keywords: Caenogastropoda,cave fauna,endemism,Stylommatophora,troglobitic species
                Data availability:
                Keywords: Caenogastropoda, cave fauna, endemism, Stylommatophora, troglobitic species

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