Recent Advances in the Origin and Early Radiation of Vertebrates

"The first discoveries of Early Paleozoic fishes took place in Scotland and in the Baltic areaat the beginning of the 19th century. The first early vertebrate remains recorded from Scotland were of Carboniferous age and are now referred to the sarcopterygians Rhizodus and Megalichthys. Later, discoveries of additional Scottish and Baltic localities made these regions (and also European workers) the main source of information on early vertebrates for a long time. This situation reached its most important development with the contributions of E. STENSIÖ and other Swedish and Danish colleagues, who organised important collecting expeditions (e.g., Podolia and Spitsbergen). New material from these localities and others (e.g., Devonian localities of eastern Canada) allowed STENSIÖ and his followers (the so-called Swedish School) to produce some fascinating morphological work and to propose hypotheses about the origin of early tetrapods that still today are a source of discussion.
New scientific findings have the potential to produce considerable changes in previous interpretations. Vertebrates are not an exception. Based on information gathered over almost two centuries it has long been believed that the origin of vertebrates occurred"sometime"during the earliest Paleozoic,"somewhere"in the northern Hemisphere. However, discoveries of early vertebrates in the Southern Hemisphere (e.g., Australia and Bolivia) led to a new understanding of the early history of the group. These new discoveries have been remarkable in stimulating new collecting. Recent progress has included the discovery of the"earliest"forms in the Lower Cambrian of China together with new and controversial interpretations of the conodonts.
The most recent decade saw new findings that concern not only the earliest vertebrates, but also most fish groups as well as lower tetrapods. They shed new light on the origin and diversification of basal vertebrates and gnathostomes. Critical fossils have been discovered in many different parts of the world. Thisnew material is having a significant impact on previous character interpretation and distribution, as well as on previous phylogenetic hypotheses.
This book brings together many of these recent discoveries and new interpretations to commemorate the retirement of Hans-Peter SCHULTZE from the Museum für Naturkunde in Berlin. H.-P. SCHULTZE has worked on most groups of lower vertebrates ranging from conodonts to early tetrapods. He has collected in most of the crucial sites around the world. He is one of the most productive researchers in paleoichthyology and is considered by many to be the leading figure in this field."

Klappentext
ARRATIA, Gloria, Mark V. H. WILSON & Richard CLOUTIER (Herausgeber): Recent Advances in the Origin and Early Radiation of Vertebrates Honoring Hans-Peter Schultze Inhalt Preface 7 Acknowledgements 7 Part 1: Recent Advances in Early Vertebrates Richard CLOUTIER: Hans-Peter SCHULTZE s contribution to our understanding of lower vertebrate evolution 11 Philippe JANVIER: Early specializations in the branchial apparatus of jawless vertebrates: a consideration of gill number and size 29 Valentina KARATAJUTE-TALIMAA & Moya MEREDITH SMITH: Tesakoviaspis concentrica: microskeletal remains of a new order of vertebrate from the Upper Ordovician and Lower Silurian of Siberia 53 Susan TURNER: Early vertebrates: analysis from microfossil evidence 65 Mark V. H. WILSON & Tiiu M SS: Toward a phylogeny of the thelodonts 95 Daniel GOUJET & Gavin C. YOUNG: Placoderm anatomy and phylogeny: new insights 109 Robert K. CARR: Recognizing paraphyletic stem groups: A case study in the analysis of eubrachythoracid arthrodires (Placodermi) 127 John G. MAISEY: Endocranial morphology in fossil and recent chondrichthyans 139 Richard LUND & Eileen D. GROGAN: Two tenaculum-bearing Holocephalimorpha (Chondrichthyes) from the Bear Gulch Limestone (Chesterian, Serpukhovian) of Montana, USA 171 Gavin F. HANKE & Mark V. H. WILSON: New teleostome fishes and acanthodian systematics 189 Richard CLOUTIER & Gloria ARRATIA: Early diversification of actinopterygians 217 Min ZHU & Xiaobo YU: Lower jaw character transitions among major sarcopterygian groups a survey based on new materials from Yunnan, China 271 Zerina JOHANSON: Late Devonian sarcopterygian fishes from eastern Gondwana (Australia and Antarctica) and their importance in phylogeny and biogeography 287 Jennifer A. CLACK & Per E. AHLBERG: A new stem tetrapod from the Early Carboniferous of Northern Ireland 309 Robert L. CARROLL, Catherine BOISVERT, John BOLT, David M. GREEN, Noah PHILIP, Campbell ROLIAN, Rainer SCHOCH & Anna TARENKO: Changing patterns of ontogeny from osteolepiform fish through Permian tetrapods as a guide to the early evolution of land vertebrates 321 Rainer R. SCHOCH & Andrew R. MILNER: Structure and implications of theories on the origin of lissamphibians 345 Johannes M LER: The relationships among diapsid reptiles and the influence of taxon selection 379 Richard A. KISSEL & Robert R. REISZ: Synapsid fauna of the Upper Pennsylvanian Rock Lake Shale near Garnett, Kansas and the diversity pattern of early amniotes 409 Part 2: Recent Advances in Fishes Elga MARK-KURIK: Buchanosteids (Placodermi, Arthrodira) from Central Asia 431 Marius ARSENAULT, Sylvain DESBIENS, Philippe JANVIER & Johanne KERR: New data on the soft tissues and external morphology of the antiarch Bothriolepis canadensis (WHITEAVES, 1880), from the Upper Devonian of Miguasha, Quebec 439 David K. ELLIOTT, Randal C. REED & Elizabeth J. LOEFFLER: A new species of Allocryptaspis (Heterostraci) from the Early Devonian, with comments on the structure of the oral area in cyathaspidids 455 Michal GINTER: Devonian sharks and the origin of Xenacanthiformes 473 Oliver HAMPE, Z. Sarah ABOUSSALAM & R. Thomas BECKER: Omalodus teeth (Elasmobranchii: Omalodontida) from the northern Gondwana margin (middle Givetian: ansatus conodont Zone, Morocco) 487 Richard LUND & Eileen D. GROGAN: Five new euchondrocephalan Chondrichthyes from the Bear Gulch Limestone (Serpukhovian, Namurian E2b) of Montana, USA 505 Rodrigo SOLER-GIJ : Development and growth in xenacanth sharks: new data from Upper Carboniferous of Bohemia 533 Colin D. LITTLE & William E. BEMIS: Observations on the skeleton of the heterocercal tail of sharks (Chondrichthyes: Elasmobranchii) 563 Paulo M. BRITO & Pascal P. DEYNAT: Freshwater stingrays from the Miocene of South America with comments on the rise of potamotrygonids (Batoidea, Myliobatiformes) 575 Gloria ARRATIA & Richard CLOUTIER: A new cheirolepidid fish from the Middle-Upper Devonian of Red Hill, Nevada, USA 583 Eric J. HILTON: The caudal skeleton of Acipenseriformes (Actinopterygii: Chondrostei): recent advances and new observations 599 Christopher FIELITZ: The phylogenetic relationships of the Enchodontidae (Teleostei: Aulopiformes) 619 Gloria ARRATIA, Adriana L EZ-ARBARELLO, Guntupalli V. R. PRASAD, Varun PARMAR & J rgen KRIWET: Late Cretaceous-Paleocene percomorphs (Teleostei) from India Early radiation of Perciformes 635 CHANG Mee-mann: Synapomorphies and scenarios more characters of Youngolepis betraying its affinity to the Dipnoi 665 Michael D. GOTTFRIED, Raymond R. ROGERS & Kristina CURRY ROGERS: First record of Late Cretaceous coelacanths from Madagascar 687 Index of taxa

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