Ma, Ka Yan. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2009. / Includes bibliographical references (leaves 88-103). / Abstracts in English and Chinese. / ABSTRACT --- p.i / ACKNOWLEDGEMENTS --- p.vii / CONTENTS --- p.ix / LIST OF TABLES --- p.xi / LIST OF FIGURES --- p.xii / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Molecular phylogenetics --- p.1 / Chapter 1.2 --- Phylogeny of the penaeoid shrimps --- p.2 / Chapter 1.2.1 --- Interfamilial relationships of Penaeoidea --- p.3 / Chapter 1.2.2 --- Ingergeneric relationships of Penaeidae --- p.8 / Chapter 1.2.3 --- Interspecific relationships of Penaeus s.l --- p.11 / Chapter 1.3 --- Molecular markers for decapods phylogenetics studies --- p.14 / Chapter 1.3.1 --- Mitochondrial markers --- p.14 / Chapter 1.3.2 --- Nuclear markers --- p.16 / Chapter Chapter 2 --- Molecular phylogeny of superfamily Penaeoidea / Chapter 2.1 --- Introduction --- p.19 / Chapter 2.2 --- Materials and methods --- p.21 / Chapter 2.3 --- Results --- p.28 / Chapter 2.4 --- Discussion --- p.40 / Chapter 2.5 --- Conclusions --- p.48 / Chapter Chapter 3 --- Molecular phylogeny of genus Penaeus sensu lato / Chapter 3.1 --- Introduction --- p.50 / Chapter 3.2 --- Materials and methods --- p.50 / Chapter 3.3 --- Results --- p.56 / Chapter 3.4 --- Discussion --- p.74 / Chapter 3.5 --- Conclusions --- p.84 / Chapter Chapter 4 --- General conclusions --- p.85 / References --- p.88