Mesozoic Fishes 2

The Mesozoic era was an important time in the evolution of chondrichthyan and actinopterygian fishes because it was then that most of the modern groups first entered the fossil record and began to radiate. By the end of the era, many archaic forms had disappeared and the foundation had been laid for the ichthyofauna that now exists. Despite this significant evolutionary change, before 1990 there had been little concerted research done on Mesozoic fishes and no synopsis or compilation of the systematics and paleoecology of Mesozoic fishes had been published, not even for single groups. To remedy this deficiency, Gloria ARRATIA initiated the symposium "Mesozoic Fishes". The first meeting"Mesozoic Fishes Systematics and Paleoichthyology"was held in Eichstätt from August 9 to 12, 1993 and the first volume of Mesozoic Fishes, including 36 papers concerning elasmobranchs, actinopterygians and sarcopterygians and the paleoecology of certain important fossil localities was published in 1996. Gloria ARRATIA and Hans-Peter SCHULTZE organized the second Symposium. It was held in Buckow, a small village about 45 km east of Berlin, from July 6 to 10, 1997.The results of the symposium presented in this volume reflect the current state of knowledge of Mesozoic fishes. Phylogenetic relationships of chondrichthyans and actinopterygians are the central issue. In addition, attention is given to questions of morphology and to the Mesozoic fossil record in a variety of countries such as southern Asia, Chile, China, Italy, Morocco, Spain, and Switzerland. The new findings described in the 31 papers and the disagreements among authors concerning interpretations of characters and phylogenetic relationships of actinopterygian subgroups are an exciting invitation to further research.

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ARRATIA, Gloria & Hans-Peter SCHULTZE (Herausgeber): Mesozoic Fishes 2 - Systematics and Fossil Record Contents Preface 7 Acknowledgments 7 Barbara J. STAHL: Mesozoic holocephalians 9 Luis A. CIONE: First report of a Jurassic ray outside of Europe 21 Armin LEIDNER & Detlev THIES: Placoid scales and oral teeth of Late Jurassic elasmobranchs from Europe 29 William E. BEMIS & Lance GRANDE: Development of the median fins of the North American paddlefish (Polyodon spathula), and a reevaluation of the lateral fin-fold hypothesis 41 Eric J. HILTON & William E. BEMIS: Skeletal variation in shortnose sturgeon (Acipenser brevirostrum) from the Connecticut River: Implications for comparative osteological studies of fossil and living fishes 69 Christopher FIELITZ, J. D. STEWART & Joan WIFFEN: +Aethocephalichthys hyainarhinos gen. et sp. nov., a new and enigmatic Late Cretaceous actinopterygian of North America and New Zealand 95 Sylvie WENZ: Pliodetes nigeriensis gen. et sp. nov., a new semionotid fish from the Lower Cretaceous of Gadoufaoua (Niger Republic): Phylogenetic comments 107 Gloria ARRATIA & Andrea TINTORI: The caudal skeleton of the Triassic actinopterygian +Prohalecites and its phylogenetic position 121 Detlev THIES & Annette HERZOG: New information on Dapedium LEACH 1822 (Actinopterygii, Semionotiformes) 143 J. Ralph NURSALL: The family +Mesturidae and the skull of pycnodont fishes 153 J. Ralph NURSALL: The pycnodontiform bauplan: The morphology of a successful taxon 189 J rgen KRIWET: Pycnodontid fishes (Neopterygii, Pycnodontiformes) from the Lower Cretaceous of U a (E-Spain) with comments on branchial teeth in pycnodontiform fishes 215 Paulo M. BRITO: Description of Aspidorhynchus arawaki from the Late Jurassic of Cuba (Actinopterygii: Halecostomi) 239 Paulo M. BRITO: The caudal skeleton of aspidorhynchids (Actinopterygii: Halecostomi): Phylogenetic implications 249 Gloria ARRATIA: The monophyly of Teleostei and stem-group teleosts. Consensus and disagreements 265 J. D. STEWART: A new genus of Saurodontidae (Teleostei: Ichthyodectiformes) from Upper Cretaceous rocks of the Western Interior of North America 335 Francisco J. POYATO-ARIZA: The elopiform fish Anaethalion angustus restored, with comments on individual variation 361 LI Guo-Qing & Mark V. H. WILSON: Early divergence of Hiodontiformes sensu stricto in East Asia and phylogeny of some Late Mesozoic teleosts from China 369 ZHANG Jiangyong & JIN Fan: A revision of +Tongxinichthys MA 1980 (Teleostei: Osteoglossomorpha) from the Lower Cretaceous of northern China 385 Allison MURRAY & Mark V. H. WILSON: Contributions of fossils to the phylogenetic relationships of the percopsiform fishes (Teleostei: Paracanthopterygii): order restored 397 Lance GRANDE & William E. BEMIS: Historical biogeography and historical paleoecology of Amiidae and other halecomorph fishes 413 Terry GRANDE: Distribution patterns and historical biogeography of gonorynchiform fishes (Teleostei: Ostariophysi) 425 Eugenia K. SYTCHEVSKAYA: Freshwater fish fauna from the Triassic of northern Asia 445 CHANG MEE-MANN: Mid -Cretaceous fish faunas from northeast China 469 Tony B GIN: Middle Triassic marine fish faunas from Switzerland 481 Andrea TINTORI & Cristina LOMBARDO: Fish fauna from the Kalkschieferzone (Meride Limestone, uppermost Ladinian) of Ca del Frate (Varese, N-Italy) 495 Francisco J. POYATO-ARIZA, Angela D. BUSCALIONI & Joan CARTANY : The Spanish Mesozoic record of osteichthyan fishes 505 Joan CARTANY : An overview of the Middle Triassic actinopterygians from Alcover, Mont-Ral and El Pinetell (Catalonia, Spain) 535 Didier B. DUTHEIL: Freshwater fish fauna from the Upper Cretaceous of Morocco 553 Gloria ARRATIA & Hans-Peter SCHULTZE: Mesozoic fishes from Chile 565 Alexander MUDROCH, Detlev THIES & Albrecht BAUMANN: 87SR/86SR analysis of Late Jurassic fish teeth. Implications for paleosalinity of fossil habitats 595

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