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      A new iphiculid crab (Crustacea, Brachyura, Leucosioidea) from the Middle Miocene of Austria, with notes on palaeobiogeography of Iphiculus

      research-article
      1 , 2 , 3
      Zootaxa
      Decapoda, Iphiculidae, new taxon, Badenian, Styrian Basin

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          Abstract

          A new fossil species of the iphiculid genus Iphiculus Adams & White, 1849, (Crustacea, Brachyura) is described on the basis of three specimens from the Middle Miocene Florian Beds of Styria, Austria. Iphiculus eliasi sp. nov. constitutes the first European record of the genus. This occurrence represents the oldest record of Iphiculus, having implications for the palaeobiogeographic history of the family Iphiculidae. It is suggested that Iphiculus may have originated in the Western Tethys and migrated subsequently into the Indo-West Pacific. Alternatively, its current geographic restriction to the Indo-West Pacific can be a remnant of an ancient broader geographic distribution.

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          Trends, rhythms, and aberrations in global climate 65 Ma to present.

          Since 65 million years ago (Ma), Earth's climate has undergone a significant and complex evolution, the finer details of which are now coming to light through investigations of deep-sea sediment cores. This evolution includes gradual trends of warming and cooling driven by tectonic processes on time scales of 10(5) to 10(7) years, rhythmic or periodic cycles driven by orbital processes with 10(4)- to 10(6)-year cyclicity, and rare rapid aberrant shifts and extreme climate transients with durations of 10(3) to 10(5) years. Here, recent progress in defining the evolution of global climate over the Cenozoic Era is reviewed. We focus primarily on the periodic and anomalous components of variability over the early portion of this era, as constrained by the latest generation of deep-sea isotope records. We also consider how this improved perspective has led to the recognition of previously unforeseen mechanisms for altering climate.
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            Hopping hotspots: global shifts in marine biodiversity.

            Hotspots of high species diversity are a prominent feature of modern global biodiversity patterns. Fossil and molecular evidence is starting to reveal the history of these hotspots. There have been at least three marine biodiversity hotspots during the past 50 million years. They have moved across almost half the globe, with their timing and locations coinciding with major tectonic events. The birth and death of successive hotspots highlights the link between environmental change and biodiversity patterns. The antiquity of the taxa in the modern Indo-Australian Archipelago hotspot emphasizes the role of pre-Pleistocene events in shaping modern diversity patterns.
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              Mediterranean and paratethys. Facts and hypotheses of an Oligocene to Miocene paleogeography (short overview)

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                Author and article information

                Journal
                101179386
                30359
                Zootaxa
                Zootaxa
                Zootaxa
                1175-5326
                1175-5334
                13 February 2017
                31 October 2016
                31 October 2016
                22 February 2017
                : 4179
                : 2
                : 263-270
                Affiliations
                [1 ]Comenius University, Faculty of Natural Sciences, Department of Geology and Palaeontology, Mlynská dolina, Ilkovičova 6, SVK-842 15 Bratislava, Slovakia
                [2 ]Geological-paleontological Department, Natural History Museum, Vienna, Burgring 7, A-1010 Vienna, Austria
                [3 ]Department for Geology & Palaeontology, Universalmuseum Joanneum, Weinzöttlstrasse 16, 8045 Graz, Austria
                Article
                EMS71497
                5321562
                27811673
                c743f909-d9fd-430d-84d5-1c4bde6c7031

                Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0

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                Article

                decapoda,iphiculidae,new taxon,badenian,styrian basin
                decapoda, iphiculidae, new taxon, badenian, styrian basin

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