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

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          Abstract

          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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          Revising the definition of the crustacean seta and setal classification systems based on examinations of the mouthparts setae of seven species of decapods

          A Garm (2024)
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            The tegumental glands in the land isopods: A the rosette glands

            H. GORVETT (2024)
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              Scanning electron microscopy of surface microstructures of some gammaridean amphipod crustaceans

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                Author and article information

                Journal
                zool
                Zoologia (Curitiba)
                Zoologia (Curitiba)
                Sociedade Brasileira de Zoologia (Curitiba, PR, Brazil )
                1984-4670
                1984-4689
                March 2009
                : 26
                : 1
                : 127-142
                Affiliations
                [01] Porto Alegre Rio Grande do Sul orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Departamento de Zoologia orgdiv2Laboratório de Carcinologia Brasil
                Article
                S1984-46702009000100019 S1984-4670(09)02600119
                10.1590/S1984-46702009000100019
                c0e61f1a-b972-49a7-af2f-750051032ae6

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

                History
                : 16 July 2008
                : 15 March 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 48, Pages: 16
                Product

                SciELO Brazil

                Categories
                Morphology and Physiology

                microtrichs,Hyalellinae,cuticular surface,setae,pores
                microtrichs, Hyalellinae, cuticular surface, setae, pores

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