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Informationen zum Autor Dieter Walossek is the author of Upper Cambrian Rehbachiella and the Phylogeny of Brachiopoda and Crustacea, published by Wiley. Klappentext A paleontology publication of the Scandinavian University Press The detailed written study, Upper Cambrian Rehbachiella and the Phylogeny of Brachiopoda and Crustacea , is part of an international series on stratigraphy and paleontology. Inhaltsverzeichnis Introduction 3 Stratigraphy and taphonomy 3 Palaeoecology and environmental conditions 3 Size and developmental stages 5 Systematic status of orsten arthropods 6 Material and methods 6 Material 6 Methods 7 Processing and measurements 7 Two larval series 8 Terminology 8 Systematic palaeontology 10 Rehbachiella kinnekullensis Müller, 1983 10 Postembryonic development 13 General remarks 13 Development of series A 13 Naupliar phase 13 Post-naupliar phase 20 Development of series B 30 Naupliar phase 30 Post-naupliar phaev31 Unassigned specimens and further instars 39 Life history 41 Ontogenetic stages 41 Two larval series 41 Growth 42 Morphogenesis 44 Intraspecific variation 50 Functional morphology and life habits 50 Early Larvae 50 Remarks 50 Locomotion and feeding of the nauplii 51 Advanced stages 54 Functional ontogenetic changes 54 Function of the advanced apparatus 56 Mode of life and habitat 61 Discussion 61 Affinities of Rehbachiella 61 Position within Crustacea s. str. (= crown-group Crustacea 61 Exclusion of closer relationships with non-branchiopods 64 General features and systematic status of Branchiopoda 67 Relationships within Branchiopoda and possible taxonomic position of Rehbachiella 70 Characters of the two branchiopod lineages 73 Anostraca 73 Phyllopoda 77 Comparative ontogeny 80 Remarks 80 Development of Rehbachiella as a comparative reference series 82 Comparisons 83 Results 83 Conclusions 90 Comparisons of locomotory and feeding apparatuses 95 General remarks 95 The bipartite locomotory and feeding apparatus 99 Comparisons 100 The branchiopod model of the limb apparatus of Rehbachiella 105 Significance of morphological details 107 Neck organ 108 Cephalic shields and carapaces 110 Structures in the head region 114 Appendages 115 Ventrocaudal processes 120 Segmental organs 120 Tagmosis 120 Concluding remarks 121 Acknowledgements 124 References 125 Addendum 133 Plates 134 List of abbreviations 202 List of Figures ...
