Fishes and the Break-up of Pangea - Special Publication no by L. Cavin, A. Longbottom, M. Richter

By L. Cavin, A. Longbottom, M. Richter

This quantity, in honour of Peter L. Forey, is ready fishes as palaeobiogeographic symptoms within the Mesozoic and Cenozoic. The final 250 million years within the historical past of Earth have witnessed the break-up of Pangaea, affecting the biogeography of organisms. Fishes occupy just about all freshwater and marine environments, making them a superb device to evaluate palaeogeographic models.The quantity starts off with reports of Triassic chondrichthyans and lungfishes, with reflections on Triassic palaeogeography. Phylogeny and distribution of overdue Jurassic neoselachians and basal teleosts are broached, and are via 5 papers in regards to the Cretaceous, facing SE Asian sharks, South American ray-finned fishes and coelacanths, ecu characiforms, and international fish palaeogeography. Then six papers disguise Tertiary topics, reminiscent of bony tongues, eels, cypriniforms and coelacanths.There is usually a very good healthy among fish phylogenies and the evolution of the palaeogeographical trend, even if a number of discrepancies query info of present palaeogeographic versions and/or a few facets of fish phylogeny.Also on hand: Non-Marine Permian Biostratigraphy and Biochronology - ISBN 1862392064 CRETACEOUS-TERTIARY HIGH-LATITUDE PALAEOENVIRONMENTS - ISBN 1862391971 the applying of Ichnology to Palaeoenvironmental And Stratigraphic research - ISBN 1862391548The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on the planet, and one of many greatest publishers within the Earth sciences.The Society publishes a variety of fine quality peer-reviewed titles for lecturers and pros operating within the geosciences, and enjoys an enviable foreign recognition for the standard of its work.The many components within which we submit in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic experiences and geochemistry-Remote sensing-History of geology-Regional geology publications

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Tooth file curvature is stronger in the crown in the former taxon and edges and roots are poorly preserved. In Paredestus bricircum gen. et sp. , the anterior teeth in the file are strikingly small but the curvature and size of the tooth whorl seemingly rules out the specimen being a juvenile individual. Unfortunately, the only cranial material available for comparison with the material described here is Ornithoprion hertwigi Zangerl, 1966. Cranial morphology of the latter species does not match the cranial morphology of the new specimens: the jaws of this species are particularly massive, long and peculiarly shaped.

M. & J IN , F. 1996. Mesozoic fish faunas of China. In: A RRATIA , G. & V IOHL , G. (eds) Mesozoic Fishes 1 – Systematics and Paleoecology. Dr F. Pfeil, Munich, 461–478. C HANG , M. & M IAO , D. 2004. An overview of Mesozoic fishes in Asia. In: A RRATIA , G. & T INTORI , A. (eds) Mesozoic Fishes 3 – Systematics, Paleoenvironment and Biodiversity. Dr F. Pfeil, Munich, 535–563. C OPE , E. D. 1894 New and little known Paleozoic and Mesozoic fishes. Journal of the Academy of Natural Sciences of Philadelphia, 2, 427– 448, 18 pls.

2. Both specimens represent portions of dorsal fins. Specimen UALVP 17928 shows an almost completely preserved dorsal fin and its supporting cartilage (Fig. 24). The cartilage supporting the fin is only partly preserved but is clearly deeper than long. There were at least 22 ceratotrichia, of which most are preserved as imprints. The rays are all gently curved, increase in width posteriad and taper to a point. The anterior rays are all re-curved whereas the more posterior ones are rather s-shaped.

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