Multicellular Animals
A new Approach to the Phylogenetic Order in Nature Volume 1
1st Edition
Published on 28. June 1996
Book
Hardback
225 pages
978-3-540-60803-5 (ISBN)
Description
No one can ever have secure knowledge about the gods and creatures, and should anyone hit by chance upon the right thing, he will not know it for sure; that is why everything that we believe to be true is "opinion". XENOPHANES around 500 B.C. (According to ROD 1988, p.85) The goal of phylogenetic systematics (cladistics) is to discover the kinship relations between all organisms on earth and to translate the order we perceive in Nature into an equivalent man-made system. Although the goal is easily formulated, the path is thorny, and the results achieved continue to be imperfect. This is the fate of any science that bases its propositions on the interpretation of histor ical evidence. The diversity found in the millions of species originated as a result of the continuous splitting of biopopulations through time. Combined with this was the emergence of hierarchically linked des cent communities of species. We call the process of origin of descent communities phylogenesis. We do not know, however, the exact course of phylogenesis - we can only formulate hypotheses. The historical evidence at hand consists of the feature patterns of extant species and of extinct species with their combination of original and derived traits which are the result of evolution.
More details
Language
English
Place of publication
Heidelberg
Germany
Publishing group
Springer Berlin
Target group
Professional and scholarly
Research
Illustrations
1
67 s/w Abbildungen, 1 farbige Abbildung
Illustrationssome col.)
Dimensions
Height: 27 cm
Width: 19.3 cm
Weight
910 gr
ISBN-13
978-3-540-60803-5 (9783540608035)
DOI
10.1007/978-3-642-80114-3
Schweitzer Classification
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Content
Organisms of the Real World and Their Arrangement in a System Created by Man.- Hypothetical Realism.- Levels of Observation.- Thing and Class.- Individuals and Populations as Things.- Species and Descent Communities as Natural Kinds (Classes).- Natural Kinds as Taxa of the Phylogenetic System.- Elimination of Categories.- Establishing the Phylogenetic System.- Feature Patterns of Species and Ground Patterns of Descent Communities.- The Three Possibilities of Evolutionary Congruences.- Sister Species - Sister Group - Dichotomy.- Lineage - Stem Lineage.- The Formation of Species Groups.- The Change of Meaning Synapomorphy - Symplesiomorphy.- Forming Hypotheses About Synapomorphy.- Homology.- The Search for the Sister Species or Sister Group and the Resulting System.- Hierarchical Tabulation.- Relationship Diagram.- Direct Access to the Autapomorphy.- Molecules and Computers.- The Integration and Meaning of the Fossil Record.- Problematic Large Divisions of Organisms.- "Animalia" - "Plantae".- "Procaryota" - Eucaryota.- "Protozoa" - Metazoa.- "Invertebrata" - Vertebrata.- The Inflation of Kingdoms.- Systematization of the Metazoa.- Overview.- Monophyly and Ground Pattern.- The Search for the Adelphotaxon Among Unicellular Organisms.- Mesozoa - Parasitic Metazoa with Undetermined Kinship.- Orthonectida.- Dicyemida.- Porifera - Epitheliozoa.- Porifera.- Ground Pattern.- Systematization.- Calcarea - Silicea.- Calcarea.- Silicea.- Demospongea - Hexactinellida.- Demospongea.- Hexactinellida.- Epitheliozoa.- Placozoa - Eumetazoa.- Placozoa.- Eumetazoa.- Cnidaria - Acrosomata.- Cnidaria.- Ground Pattern.- Systematization.- Anthozoa - Tesserazoa.- Anthozoa.- Tesserazoa.- Hydrozoa - Rhopaliophora.- Hydrozoa.- Rhopaliophora.- Cubozoa - Scyphozoa.- Cubozoa.- Scyphozoa.- Acrosomata.- Ctenophora - Bilateria.- Ctenophora.- Ground Pattern.- Bilateria.- Ground Pattern.- Systematization.- Spiralia - Radialia.- Spiralia.- Plathelminthomorpha - Euspiralia.- Plathelminthomorpha.- Gnathostomulida - Plathelminthes.- Gnathostomulida.- Ground Pattern.- Plathelminthes.- Ground Pattern.- Systematization.- Catenulida - Euplathelminthes.- Catenulida.- Euplathelminthes.- Acoelomorpha - Rhabditophora.- Acoelomorpha.- Nemertodermatida - Acoela.- Nemertodermatida.- Acoela.- Rhabditophora.- Macrostomida - Trepaxonemata.- Macrostomida.- Trepaxonemata.- Polycladida - Neoophora.- Polycladida.- Neoophora.- Lecithoepitheliata.- Prolecithophora.- Seriata - Rhabdocoela.- Seriata.- Rhabdocoela.- "Typhloplanoida" - Doliopharyngiophora.- "Typhloplanoida".- Doliopharyngiophora.- "Dalyellioida" - Neodermata.- "Dalyellioida".- Neodermata.- Trematoda - Cercomeromorpha.- Trematoda.- Aspidobothrea - Digenea.- Aspidobothrea.- Digenea.- Cercomeromorpha.- Monogenea - Cestoda.- Monogenea.- Cestoda.- Xenoturbellida - A Eumetazoan Taxon with Unclarified Kinship.- Euspiralia.- Nemertini - Trochozoa.- Nemertini.- Traditional Classification.- Ground Pattern and Evolutionary Alterations.- Trochozoa.- Literature.- Register.