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      A new species of freshwater amphipod (Dogielinotidae, Hyalella) from Southeastern Brazil

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      Nauplius
      Sociedade Brasileira de Carcinologia
      Biodiversity, Freshwater Crustacean, Taxonomy

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          Abstract

          To the present 57 species of Hyalella were described for Americas, 15 of them found in Brazil, which is among the most diverse countries for this genus. This work aims to describe a new Hyalella species with benthic habits which is found in a water source on Southeastern Brazil. It is mainly characterized by a wide truncated process formed near the dactylus insertion on gnathopod 2, besides both coxal and sternall gills present on pereonits 2 to 7. This work improves the knowledge on biodiversity about Hyalella species.

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          Most cited references19

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          Diversity and arrangement of the cuticular structures of Hyalella (Crustacea: Amphipoda: Dogielinotidae) and their use in taxonomy

          This study describes the morphology and arrangement of the cuticular structures of Hyalella castroi González, Bond-Buckup & Araujo, 2006 and Hyalella pleoacuta González, Bond-Buckup & Araujo, 2006, to identify specific characters that can be used in taxonomstudies of this genus. The entire cuticular surface of both species was examined by optical and scanning electron microscopy. The data obtained were compared with available information for other members of Peracarida, mainly Amphipoda and Isopoda. Five different types of cuticular structures, including 30 types of setae, four types of microtrichs, three types of pores, and some structures formed by setules and denticles were identified. The results were compared with other groups of gammarids, and peracarideans, such as Thermosbaenacea and Isopoda. The use of cuticular structures as a tool for taxonomic studies showed important results, not only at species level, but also at genus, and family levels.
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            Dynamics and Production of a Natural Population of a Fresh-Water Amphipod, Hyalella azteca

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              Functional morphology of the amphipod mandible

              L Watling (1993)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                nau
                Nauplius
                Nauplius
                Sociedade Brasileira de Carcinologia (Cruz das Almas, BA, Brazil )
                2358-2936
                June 2013
                : 21
                : 1
                : 79-87
                Affiliations
                [01] Lavras Minas Gerais orgnameUniversidade Federal de Lavras orgdiv1Departamento de Biologia orgdiv2Setor de Ecologia Brazil rafaelabastospereira@ 123456gmail.com
                Article
                S0104-64972013000100009
                10.1590/S0104-64972013000100009
                fbe733d7-b116-4697-99ed-93c187fdbf49

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

                History
                : 18 September 2012
                : 01 May 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 13, Pages: 9
                Product

                SciELO Brazil

                Categories
                Biodiversity, Systematic and Taxonomy

                Biodiversity,Freshwater Crustacean,Taxonomy
                Biodiversity, Freshwater Crustacean, Taxonomy

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