This volume is dedicated to the career of Frederick R. Schram, the founding editor of CrustaceanIssues in , in recognition of his many stimulating and wide-ranging contributions to the evolutionary biology of arthropods in general, and of crustaceans in particular.
Appendix B. Appendix A. Color insert. Crustacea and Arthropod Relationships Crustacean Issues. Seemingly everyone who has taken a critical view of their recent work and a few bystanders as well gets a good thrashing. The Swedish Upper Cambrian "Orsten" forms feature exquisitely preserved three-dimensional soft parts e. Many of the "Orsten" taxa are considered stem-group crustaceans. These are of potentially critical importance to the Mandibulata debate as they reveal that certain putative key synapomorphies of Mandibulata e.
Chapter Six, "Fossils and the Interrelationships of Major Crustacean Groups" by Fred Schram and Cees Hof, comprises another large-scale cladistic analysis, this time concentrating on Crustacea and involving 67 terminals and 90 characters. Beginning with a detailed overview of previous ideas on crustacean phylogeny and new sources of evidence including a frank account of the senior author's transformation from evolutionary systematic polyphylist Schram to cladist , Schram and Hof offer a generous 14 pages of character analysis culminating in unweighted parsimony analyses of both the entire dataset and the terminals represented by either at least partially extant or entirely extinct taxa.
A less usual aspect of the analysis is that many of the terminals are not species though a significant portion are , but rather are abstractions of large clades. Here, as one might expect, the codings are not presumptive basal states for the clades, but instead account for the range of states developed within the terminal group, resulting in quite a few polymorphic codings p.
Very interestingly, reanalysis with nonfossilized soft-part characters removed and, consequently, the deletion of many missing codings for the fossils yielded much stronger support for the stem-group hypothesis.
A phylogeny of recent and fossil Crustacea derived from morphological characters
The authors present a thorough review of the phylogenetic status of the chelicerate groups and near-relatives with summaries of apomorphies and also of previous attempts to derive phylogenies with fossil information, culminating in an evolutionary tree mapping the cladistic results of Shultz and Wills et al.
What the chapter doesn't contain is a novel phylogenetic analysis of chelicerate relationships. For that, you have to go to another book, where Dunlop and Selden present an terminal, character cladogram. To be fair, this probably reflects different lead-in times to publication. Despite the closely spaced appearance of the books, and Selden and Dunlop's chapter is a useful and thorough precursor to Dunlop and Selden's.
It holds up well as a good review in its own right. Still, other chapters in Edgecombe's book provide the reader with both the background and the analysis. What's the net effect? Just plain grand. This is an engrossing book, full of the issues that have helped to set the paleontological agenda in Science and Nature in recent years, with spirited overviews written by the main investigators. As a compelling and multifaceted argument for the critical role of fossils in the recovery of deep history there has simply been nothing like it published previously.
Dewell, R. The organization of the Harzsch, S. Phylogenetic comparison of serotonin-immunoreactive neurons subesophageal nervous system in tardigrades: insights into the evolution of in representatives of the Chilopoda, Diplopoda, and Chelicerata: implications the arthropod hypostome and tritocerebrum. Zoologischer Anzeiger , for arthropod relationships. Journal of Morphology , — Harzsch, S. Neurophylogeny: architecture of the nervous system and a fresh Dewell, R. The place of tardigrades in arthropod evolution. In: view on arthropod phylogeny.
Integrative and Comparative Biology 46, Fortey, R. London, pp. Evolution of eye development in arthropods: phylo- Dohle, W. Are the insects terrestrial crustaceans? A discussion of some new genetic aspects.
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Phylogeny of Arthropoda inferred from mitochondrial sequences: 9— Journal of Zoological rates of substitution. Molecular Phylogenetics and Evolution 38, — Systematics and Evolutionary Research 43, 8— Hejnol, A. What a couple of dimensions can do for you: Dunlop, J. Calibrating the chelicerate clock: a palaeontological comparative developmental studies using 4D microscopy — examples from reply to Jeyaprakesh and Hoy.
Experimental and Applied Acarology 48, — Integrative and Comparative Biology 46, — Dunn, C.
Ultrastructure of the epidermal Rouse, G. Journal of Morphology Giribet, G. Broad taxon sampling improves resolution of the Animal Tree of , 53— Hou, X. The role of extinct taxa in arthropod phylogeny. In: southwest China. Edgecombe, G. Columbia University Hou, X. Dinocaridsdanomalous arthropods or arthropod-like Press, New York, pp. In: Rong, J. Morphological data, extant Myriapoda, and the myriapod inations, Radiations and Biodiversity Changes- Evidences from the Chinese stem-group.
Contributions to Zoology 73, — Fossil Record. Science Press, Beijing, pp.
A phylogeny of recent and fossil Crustacea derived from morphological characters | SpringerLink
Palaeomorphology: fossils and the inference of cladistic Hou, X. Distinguishing anomalocaridids from arthro- relationships. Acta Zoologica Stockholm. Geological Journal 41, — The mandibular gnathal Hwang, U. Mitochondrial protein edges: homologous structures across Mandibulata? In: Hamer, M.
go site Proceedings of the Twelfth International Congress of Myriapodology. African Jager, M. Invertebrates 44, — Homology of arthropod anterior appendages revealed by Hox gene expression Engel, M. New light shed on the oldest insect. Nature , in a sea spider. Johnson, E. Non- Fahrenbach, W. Microscopic anatomy of Pycnogonida. Excretory system. Group, English Lake District. Geological Magazine , — Fanenbruck, M. A brain atlas of Godzilliognomus frondosus Yager, Klass, K.
Koch, M. Monophyly of the Myriapoda? Reliability of current arguments.
In: Fayers, S. Palaeontology 48, — African Invertebrates 44, — Friedrich, M. A great-appendage arthropod with a radial arthropod classes and the evolution of myriapods. Science , Fryer, G. Biological Journal of the Linnean — Society 58, 1— Devonohexapodus bocksbergensis is a synonym of Win- Gabbott, S. Lethaia 36, — Kusche, K. Diplopod hemocyanin sequence and the phylogenetic Gabriel, W. Molecular Biology and Evolution 18, — Development Genes and Evolution , Kusche, K.
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