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      Redescription of Pectiniunguis gaigei (Chamberlin, 1921) from Guyana, with new distributional data and complementary descriptive notes on similar neotropical species (Chilopoda: Geophilomorpha: Schendylidae)

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          Abstract

          Pectiniunguis gaigei (Chamberlin, 1921) from Guyana, (Chilopoda: Geophilomorpha: Schendylidae) is here redescribed and illustrated on the basis of type material. The species is characterized by the absence of pore-field on the first sternum; presence of undivided ventral pore-fields in an uninterrupted series along the whole trunk length; parunguis of walking legs thin and pale; and last leg praetarsus as a small tubercle with numerous spines. All these combined traits are shared by three other Neotropical members of the genus (P. geayi (Brölemann & Ribaut, 1911) from Brazil; P. ducalis Pereira, Minelli & Barbieri, 1995 from Brazil; and P. roigi Pereira, Foddai & Minelli, 2001 from Ecuador), with which P. gaigei is here compared in detail. New distributional records for P. ducalis and P. geayi, together with complementary descriptive notes and new diagnoses for these species and P. roigi, are also given.

          Translated abstract

          Pectiniunguis gaigei (Chamberlin, 1921) de Guyana, (Chilopoda: Geophilomorpha: Schendylidae) es aquí redescripta e ilustrada en base a material tipo. La especie se caracteriza por la ausencia de campo de poros en el primer esternito; presencia de campos de poros ventrales simples en una serie continua a lo largo de todo el tronco; parunguis de las patas ambulatorias finos y de coloración pálida; y pretarso del último par de patas en forma de un pequeño tubérculo provisto de numerosas espinas. Todos estos caracteres combinados son compartidos por otros tres miembros neotropicales del género (P. geayi (Brölemann & Ribaut, 1911) de Brasil; P. ducalis Pereira, Minelli & Barbieri, 1995 de Brasil; y P. roigi Pereira, Foddai & Minelli, 2001 de Ecuador), con los cuales P. gaigei es aquí comparada en detalle. Nuevos registros de distribución geográfica para P. ducalis y P. geayi, junto con notas descriptivas complementarias y nuevas diagnosis para estas especies y P. roigi, son también brindados.

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          Most cited references28

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          The preparation of centipedes for microscopical examination with particular reference to the Geophilomorpha

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            The Biology of centipedes

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              Coxal organs in geophilomorpha (Chilopoda). Organization and fine structure of the transporting epithelium

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                Author and article information

                Journal
                paz
                Papéis Avulsos de Zoologia
                Pap. Avulsos Zool.
                Museu de Zoologia da Universidade de São Paulo (São Paulo, SP, Brazil )
                0031-1049
                1807-0205
                2010
                : 50
                : 20
                : 297-321
                Affiliations
                [01] La Plata Buenos Aires orgnameUniversidad Nacional de La Plata orgdiv1Facultad de Ciencias Naturales y Museo orgdiv2CONICET Argentina lpereira@ 123456fcnym.unlp.edu.ar
                Article
                S0031-10492010002000001 S0031-1049(10)05002001
                10.1590/S0031-10492010002000001
                5eb48d8c-6060-4071-93a6-634ba8cd9c02

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

                History
                : 08 April 2010
                : 16 January 2010
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 25
                Product

                SciELO Brazil


                Taxonomía,Chilopoda,Geophilomorpha,Schendylidae,Pectiniunguis,Taxonomy

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