By J. W. Valentine, H. Hamilton (auth.), R. A. Fortey, R. H. Thomas (eds.)
The arthropods comprise extra species than the other animal workforce, however the evolutionary pathways which ended in their present range are nonetheless a topic of controversy. Arthropod Relationships offers an summary of our present figuring out, responding to the recent information coming up from sequencing DNA, the invention of latest Cambrian fossils as direct facts of early arthropod historical past, and developmental genetics. those new parts of analysis have inspired a reconsideration of classical morphology and embryology. ArthropodRelationships is the 1st synthesis of the present debate to emerge: no longer because the quantity edited through Gupta was once released in 1979 has the arthropod phylogeny debate been, thought of during this intensity and breadth.
Leaders within the a variety of branches of arthropod biology have contributed to this quantity. Chapters concentration gradually from the final concerns to the categorical difficulties regarding specific teams, and thence to a attention of embryology and genetics. This wide variety of disciplines is drawn directly to method an knowing of arthropod relationships, and to supply the main well timed account of arthropod phylogeny.
This publication may be learn via evolutionary biologists, palaeontologists, developmental geneticists and invertebrate zoologists. it's going to have a unique curiosity for post-graduate scholars operating in those fields.
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Extra resources for Arthropod Relationships
And Raff, RA. (1991) The phylogenetic status of arthropods, as inferred from 18S rRNA sequences. Molecular Biology and Evolution, 8, 669-86. L. K. (1993) Monophyletic origins ofthe Metazoa: an evolutionary link with the Fungi. Science, 260, 340-2. , Cartwright, P. Y. (1993) Arthropod phylogeny: a combined approach. Cladistics, 9, 1-39. , Backeljau, T. and De Wachter, R (1995a) Phylogeny of protostome worms derived from 18S rRNA sequences. Molecular Biology and Evolution, 12, 641-9. , De Wachter, R, Kumar, S.
The compound eyes of sabellid polychaetes (which Nilsson (1994) believes may have arisen independently several times), of arcacean bivalves, and of arthropods are undeniably of independent origin and provide excellent examples of convergence in fine details. What is more, some of the earliest arthropods had compound eyes more than 530 Myr ago. Such eyes evolved quickly, so why should they not have done so more than once? Arthropods have produced millions of species and astronomical numbers of individuals.
C. and Frische, S. (1996) Structural organisation of spider silk. Proceedings of the Royal Society of London B, 263, 147-51. W. (1995) On the information content of characters in comparative morphology and molecular systematics. Journal of Zoological Systematics and Evolutionary Research, 33, 42-7. W. and Stanjek, G. (1995) Arthropod phylogeny inferred from partial 12 S rRNA revisited: monophyly of the Tracheata depends on sequence alignment. Journal of Zoological Systematics and Evolutionary Research, 33, 75-80.