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Doctoral Thesis
DOI
https://doi.org/10.11606/T.41.2016.tde-21012016-165350
Document
Author
Full name
João Paulo Peixoto Pena Barbosa
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2015
Supervisor
Committee
Brescovit, Antonio Domingos (President)
Battirola, Leandro Dênis
Christofoletti, Carmen Silvia Fontanetti
Guadanucci, José Paulo Leite
Nihei, Silvio Shigueo
Title in Portuguese
Relações filogenéticas das tribos da subfamília Chelodesminae Hoffman, 1980 baseada em caracteres morfológicos (Diplopoda; Polydesmida; Chelodesmidae)
Keywords in Portuguese
Análise cladística
Diplopoda
Neotropical
Abstract in Portuguese
Com aproximadamente 800 espécies descritas, Chelodesmidae constitui a segunda maior família em Polydesmida; seus membros ocorrem na América do Sul (subfamília Chelodesminae) e oeste Africano (subfamília Prepodesminae). Hoffman, ao examinar e ilustrar inúmeros caracteres em seu extensivo trabalho com a família, propôs numerosas tribos, a maioria em Chelodesminae. Empregando o uso de caracteres morfológicos, a monofilia e a relação de 18, das 19 tribos de Chelodesminae, são testadas. Duas matrizes de dados contendo 68 terminais e 70 caracteres e 68 terminais e 65 caracteres foram construídas. Para as análises, foi utilizada pesagem implícita de caracteres am ambas as matrizes de caracteres com valores de concavidade igual a 10,23926 e 15,136, resultando em uma árvore cada. A primeira de 411 passos (IC=21; IR=66) e a segunda de 401 passos (IC=22; IR=65). No atual conjunto de dados, a maioria das tribos propostas é monofilética; exceções são Batodesmini, Leptodesmini, Macrocoxodesmini, Strongylomorphini e Telonychopodini. A tribo monoespecífica Gonorygmatini surge interna a Telonychopodini. A polifilia de Macrocoxodesmini é confirmada. Ambas as árvores de pesagem implícita mostram Chelodesminae monofilética. Assim, a subfamília é composta por, além dos grupos parafiléticos e polifiléticos, pelas tribos monofiléticas: Arthrosolaenomeridini, Caraibodesmini, Chelodesmini, Chondrodesmini, Cornalatini, Dibolostethini, Gonorygmatini, Lepturodesmini, Platinodesmini, Priodesmini, Trichomorphini e Trachelodesmini. Todas são restritas à América do Sul e América Central, bem como as ilhas do Caribe
Title in English
Phylogenetic framework for the tribes of the subfamily Chelodesminae Hoffman, 1980, based on morphological characters (Diplopoda; Polydesmida; Chelodesmidae)
Keywords in English
Cladistics
Diplopoda
Neotropical
Abstract in English
With close to 800 described species, the Chelodesmidae constitute the second largest family in Polydesmida; its members occurring in South America (subfamily Chelodesminae) and western Africa (subfamily Prepodesminae). Hoffman, examining and illustrating numerous characters in his extensive work on the family, proposed numerous tribes, mainly in the Chelodesminae. Employing morphological characters, the monophyly and the interelationship of the 18 chelodesmine tribes are tested. Two data matrixes were built, one with 68 terminals and 70, and another with 68 terminals and 65 characters. For the analysis, implied weighting was used in both data matrixes with k values as 10,23926 and 15,136, resulting in one tree each. The first with 411 steps (CI=21; RI=66) and the second with 401 steps (CI=22; RI=65). In this dataset, the majority of tribes are monophyletic; exceptions are Batodesmini, Leptodesmini, Macrocoxodesmini, Strongylomorphini e Telonychopodini. The mono-specific tribe Gonorygmatini appears internally to Telonychopodini. The polyphyly of Macrocoxodesmini is confirmed. Both implied weighting trees shows Chelodesminae as monophyletic. This way, the subfamily is composed by, despite the paraphyletic and polyphyletic groups, for the monophyletic tribes: Arthrosolaenomeridini, Caraibodesmini, Chelodesmini, Chondrodesmini, Cornalatini, Dibolostethini, Gonorygmatini, Lepturodesmini, Platinodesmini, Priodesmini, Trichomorphini e Trachelodesmini. All tribes are restrict to South and Central Americas, as well to Caribbean Islands
 
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JoaoPaulo_Barbosa.pdf (15.19 Mbytes)
Publishing Date
2016-02-02
 
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